Wiley Plus CH 4
Fluid confined in lymphatic vessels and flowing through the lymphatic system until it is returned to the blood. Lymph Canaliculi Platelets Endocrine glands
Lymph
Phagocytic cell derived from a monocyte; may be fixed or wandering. Lacunae Endothelium Adipocytes Macrophages
Macrophages
A cell found in areolar connective tissue that releases histamine, a dilator of small blood vessels, during inflammation. Mast cells Mesenchyme Pericardium Lamina propria
Mast cells
The basic unit of structure in adult compact bone, consisting of a central (haversian) canal with its concentrically arranged lamellae, lacunae, osteocytes, and canaliculi. Also called a haversian (ha-VER-shun) system. Hypertrophy Synovial membranes Neuroglia Osteon
Osteon
The basic unit of structure in adult compact bone, consisting of a central (haversian) canal with its concentrically arranged lamellae, lacunae, osteocytes, and canaliculi. Also called a haversian (ha-VER-shun) system. Hypertrophy Synovial membranes Osteon Neuroglia
Osteon
A cytological staining test for the detection and diagnosis of premalignant and malignant conditions of the female genital tract. Cells scraped from the epithelium of the cervix of the uterus are examined microscopically. Leukocytes Neurons Papanicolaou test Chondroitin sulfate
Papanicolaou test
Production and release from a cell or a gland of a physiologically active substance. Adipocytes Endocrine glands Secretion Appositional growth
Secretion
Abnormal joining of parts to each other. Basement membrane Osteocytes Adhesions Papanicolaou test
Adhesions
The ground substance and fibers between cells in a connective tissue. Nervous tissue Pleura Mast cells Extracellular matrix
Extracellular matrix
Concentric rings of hard, calcified extracellular matrix found in compact bone. Neuroglia Platelets Lamellae Integrins
Lamellae
The connective tissue layer of a mucosa. Lamina propria Connective tissue Platelets Endocrine glands
Lamina propria
A white blood cell. Fibrosis Leukocytes Lymph Skeletal muscle tissue
Leukocytes
Phagocytic cell derived from a monocyte; may be fixed or wandering. Macrophages Adipocytes Endothelium Lacunae
Macrophages
Gland made up of secretory cells that remain intact throughout the process of formation and discharge of the secretory product, as in the salivary and pancreatic glands. Integrins Holocrine glands Merocrine glands Cartilage
Merocrine glands
An embryonic connective tissue from which all other connective tissues arise. Mesenchyme Nerve action potentials Mesothelium Absorption
Mesenchyme
Microscopic, fingerlike projections of the plasma membranes of cells that increase surface area for absorption, especially in the small intestine and proximal convoluted tubules of the kidneys. Dendrites Tissue Microvilli Stroma
Microvilli
Electrical impulses conducted by neurons to other neurons, to muscular tissue, or to glands. Also called nerve impulses. Leukocytes Nerve action potentials Neuroglia Serous membrane
Nerve action potentials
The serous membrane that covers the lungs and lines the walls of the chest and the diaphragm. Cardiac muscle tissue Pleura Central canal Lamellae
Pleura
Production and release from a cell or a gland of a physiologically active substance. Adipocytes Endocrine glands Secretion Appositional growth
Secretion
A membrane that lines a body cavity that does not open to the exterior.The membrane that lines the pleural, pericardial, and peritoneal cavities. Lamellae Serous membrane Exocrine glands Absorption
Serous membrane
Which type of membrane lines a body cavity that does not open directly to the exterior and the organs contained in that body cavity? Entry field with correct answer Serous membrane Mucous membrane Basement membrane Synovial membrane Cutaneous membrane
Serous membrane
Tissue of the skeletal muscle, composed of striated muscle fibers (cells), supported by connective tissue, attached to a bone by a tendon or an aponeurosis, and stimulated by somatic motor neurons. Apocrine glands Pleura Skeletal muscle tissue Goblet cells
Skeletal muscle tissue
A tissue specialized for contraction, composed of smooth muscle fibers (cells), located in the walls of hollow internal organs, and innervated by autonomic motor neurons. Parenchyma Smooth muscle tissue Peritoneum Synovial fluid
Smooth muscle tissue
Which type of epithelial tissue lines the ducts of sweat glands and esophageal glands? Entry field with correct answer Simple squamous epithelium Transitional epithelium Pseudostratified columnar epithelium Stratified squamous epithelium Stratified cuboidal epithelium
Stratified cuboidal epithelium
A group of similar cells and their intercellular substance joined together to perform a specific function. Tissue Synovial membranes Abrasion Lymph
Tissue
An immune response of the body directed at foreign proteins in a transplanted tissue or organ. Serous membrane Tissue rejection Exocrine glands Lamellae
Tissue rejection
The replacement of a diseased or injured tissue or organ. The most successful involve use of a person's own tissues or those from an identical twin. Tissue transplantation Epithelial tissue Skeletal muscle tissue Nerve action potentials
Tissue transplantation
The replacement of a diseased or injured tissue or organ. The most successful involve use of a person's own tissues or those from an identical twin. Epithelial tissue Nerve action potentials Skeletal muscle tissue Tissue transplantation
Tissue transplantation
The replacement of a diseased or injured tissue or organ with cells or tissues from an animal. Porcine (from pigs) and bovine (from cows) heart valves are used for some heart-valve replacement surgeries. Membranes Atrophy Goblet cells Xenotransplantation
Xenotransplantation
junctions are anchoring junctions that use cadherins to hold cells together by anchoring to the cells' actin networks. These junctions are found in tissues subject to mechanical stress like the epithelium.
adherens
Which of the following is an abnormal joining of tissues resulting from the formation of scar tissue at a previous site of inflammation or surgical repair? Entry field with correct answer granulomas osteophytes adhesions articulations cysts
adhesions
Which type of muscle tissue would have these characteristics: branched cells, usually has one nucleus, has striations (a striped appearance)? Entry field with correct answer skeletal cardiac smooth
cardiac
Which of these is avascular? Entry field with correct answer skeletal muscle neuroglia bone cartilage
cartilage
Which part of a neuron typically receives input? Entry field with correct answer axon dendrites cell body both axon and dendrites none of these
dendrites
______ are anchoring junctions that use cadherins to hold cells together. These junctions have a more stable connection because the intermediate filaments anchor two cells together. They are found in tissues that are subject to mechanical stress such as cardiac muscle and the epidermis of the epithelium.
desmosomes
are anchoring junctions that use cadherins to hold cells together. These junctions have a more stable connection because the intermediate filaments anchor two cells together. They are found in tissues that are subject to mechanical stress such as cardiac muscle and the epidermis of the epithelium.
desmosomes
Electrical synapses are bidirectional and have no significant synaptic delay. They are formed by ______ junctions.
gap
junctions are communicating junctions that use protein channels called connexons to create passageways between cells. Small molecules and ions can pass freely between the cells. These junctions are found in cardiac muscle and some smooth muscles as wells as some nervous tissue
gap
This type of junction contains tiny fluid-filled tunnels called connexons which allow the movement of ions and small molecules between cells. It is found between muscles cells of the heart and in organs with smooth muscle tissue such as the gastrointestinal tract. Entry field with correct answer tight junctions gap junctions desmosomes hemidesmosomes adherens junctions
gap junctions
are anchoring junctions that use integrins to hold cells to an extracellular matrix. They are found on the basal membrane of epithelial cells, holding them to a basement membrane.
hemidesmosomes
Fat cell, derived from a fibroblast. Smooth muscle tissue Haversian system Chondroitin sulfate Adipocytes
Adipocytes
Growth due to surface deposition of material, as in the growth in diameter of cartilage and bone. Leukocytes Perichondrium Tissue transplantation Appositional growth
Appositional growth
Which part of a neuron functions in initially receiving the stimulus? A axon B dendrite C synaptic end bulbs D cell body
B dendrite
Heptanol will decrease velocity between cardiac cells in the heart. Which junction does heptanol affect? A desmosomes B gap C adherens D hemidesmosomes E tight
B gap
The most abundant muscles which focus on exercise are the __________. A cardiac muscles B skeletal muscles C smooth muscles
B skeletal muscles
Why do the tissues of a younger individual heal faster than those of an older individual? A Cells can synthesize needed materials and divide more rapidly. B They have a better blood supply. C All of the choices are correct. D Cells have a higher metabolic rate.
C All of the choices are correct.
Which describes tight junctions? A attaches cells to basement membranes B connects cells through channel proteins C binds cells together with interlocking proteins D attaches cells using cadherins and plaque
C binds cells together with interlocking proteins
Ectodermal dysplasia skin fragility syndrome causes impaired wound healing and blistering due to which weak junctions between the cells' keratin? A hemidesmosomes B gap C desmosomes D tight E adherens
C desmosomes
In wound healing, the actively growing connective tissue is called A fibrosis B tissue replacement C granulation tissue D wound regeneration
C granulation tissue
A small channel or canal, as in bones, where they connect lacunae. Stroma Xenotransplantation Canaliculi Perichondrium
Canaliculi
Which of the following types of tissues is made up of small spindle-shaped cells and is commonly found in the walls of hollow organs? Entry field with correct answer smooth muscle skeletal muscle cardiac muscle transitional epithelium areolar tissue
smooth muscle
The epithelial cell junctions that respectively, a) allow the passage of small molecules between adjacent cells, b) restrict the extracellular movement of molecules across epithelium and, c) maintain tissue integrity and strength are _____________. A tight junctions, desmosomes, and gap junctions B tight junctions, gap junctions and desmosomes C desmosomes, tight junctions, and gap junctions D gap junctions, tight junctions, and desmosomes E gap junctions, desmosomes, and tight junctions
D gap junctions, tight junctions, and desmosomes
Areolar tissue contains which cell type in the greatest number? A macrophages B chondrocytes C plasma cells D mast cells E fibroblasts
E fibroblasts
Which type of junction would be required for cells to communicate? A hemidesmosome B adherens C tight D desmosome E gap
E gap
Which junction adheres to lamina? A desmosome B adherens C gap D tight E hemidesmosome
E hemidesmosome
Epidermolysis bullosa is a genetic disease where the basale cells of the epidermis cannot successfully attach to the basal of the dermis, resulting in blisters. This attachment occurs primarily due to disruptions in A tight junctions B gap junctions C adherens junctions D desmosome junctions E hemidesmosome junctions
E hemidesmosome junctions
The layer of simple squamous epithelium that lines the cavities of the heart, blood vessels, and lymphatic vessels. Mucous membrane Smooth muscle tissue Endothelium Tissue rejection
Endothelium
The tissue that forms the innermost and outermost surfaces of body structures and forms glands. Papanicolaou test Epithelial tissue Synovial fluid Haversian canal
Epithelial tissue
A large, flat cell that secretes most of the extracellular matrix of areolar and dense connective tissues. Hyaluronic acid Mast cells Canaliculi Fibroblasts
Fibroblasts
A large, flat cell that secretes most of the extracellular matrix of areolar and dense connective tissues. Hyaluronic acid Canaliculi Mast cells Fibroblasts
Fibroblasts
The union of cells with a similar structure and function would identify which of the following? A connective tissue B nervous tissue C all of these choices exhibit similar structure and function D epithelial tissue E muscular tissue
C all of these choices exhibit similar structure and function
The basement membrane is composed of two layers, the basal lamina and the reticular lamina, that are produced by which two tissues? A muscular and epithelial B epithelial and nervous C epithelial and connective D nervous and connective
C epithelial and connective
The ability to conduct an action potential in muscle tissue is called __________. A contractility B extensibility C excitability D elasticity
C excitability
Which junction directly connects cytoplasm of adjacent cells? A adherens B tight C gap D desmosome E hemidesmosome
C gap
Striated muscle fibers (cells) that form the wall of the heart; stimulated by an intrinsic conduction system and autonomic motor neurons. Cardiac muscle tissue Pleura Osteon Peritoneum
Cardiac muscle tissue
A type of connective tissue consisting of chondrocytes in lacunae embedded in a dense network of collagen and elastic fibers and an extracellular matrix of chondroitin sulfate. Papanicolaou test Gland Membranes Cartilage
Cartilage
Point of contact between plasma membranes of tissue cells. Chondroitin sulfate Cell junctions Keratin Papanicolaou test
Cell junctions
A microscopic tube running the length of the spinal cord in the gray commissure. A circular channel running longitudinally in the center of an osteon (haversian system) of mature compact bone, containing blood and lymphatic vessels and nerves. Tissue Synovial fluid Atrophy Central canal
Central canal
Cell of mature cartilage. Extracellular matrix Chondroitin sulfate Neurons Chondrocytes
Chondrocytes
Cell of mature cartilage. Neurons Extracellular matrix Chondrocytes Chondroitin sulfate
Chondrocytes
An amorphous extracellular matrix material found outside connective tissue cells. Histology Parenchyma Plasma cells Chondroitin sulfate
Chondroitin sulfate
An amorphous extracellular matrix material found outside connective tissue cells. Parenchyma Histology Chondroitin sulfate Plasma cells
Chondroitin sulfate
One of the most abundant of the four basic tissue types in the body, performing the functions of binding and supporting; consists of relatively few cells in a generous matrix (the ground substance and fibers between the cells). Stem cells Connective tissue Lamina propria Lamellae
Connective tissue
Comparing cardiac and skeletal muscles, which is most accurate? A Skeletal muscle cells exhibit more branching than cardiac muscles. B Cardiac muscle cells are voluntary, and skeletal muscles are involuntary. C Cardiac muscle cells have peripherally placed nuclei, and skeletal muscles have centrally placed nuclei. D Cardiac muscle is striated, and skeletal muscle is striated.
D Cardiac muscle is striated, and skeletal muscle is striated.
Which is true of desmosomes? A They form the adhesion belt, which encircles the entire cell. B They are formed from connexin membrane proteins. C They inhibit the passage of molecules between cell membranes. D They are associated with intermediate filaments.
D They are associated with intermediate filaments.
Abnormal joining of tissues is termed __________. A adherens B hemidesmosomes C desmosomes D adhesions
D adhesions
Cells that have the ability to store triglycerides are A mast B plasma C macrophages D adipose
D adipose
Damage to your somatic nervous system affects voluntary signaling. Which muscles would be affected? A cardiac and smooth B cardiac C smooth D skeletal
D skeletal
Gap junctions are important in smooth muscle. When absent, as in the iris of the eye, what new characteristic does the smooth muscle fibers take on? A the fibers become incapable of contracting B the fibers generate more heat energy C the fibers contract more vigorously D the fibers contract individually
D the fibers contract individually
A neuronal process that carries electrical signals, usually graded potentials, toward the cell body. Dendrites Basement membrane Xenotransplantation Integrins
Dendrites
A gland that secretes hormones into interstitial fluid and then the blood; a ductless gland. Fibroblasts Cardiac muscle tissue Endocrine glands Goblet cells
Endocrine glands
The tissue that forms the innermost and outermost surfaces of body structures and forms glands. Synovial fluid Haversian canal Papanicolaou test Epithelial tissue
Epithelial tissue
A gland that secretes its products into ducts that carry the secretions into body cavities, into the lumen of an organ, or to the outer surface of the body. Platelets Adhesions Exocrine glands Macrophages
Exocrine glands
A gland that secretes its products into ducts that carry the secretions into body cavities, into the lumen of an organ, or to the outer surface of the body. Adhesions Platelets Macrophages Exocrine glands
Exocrine glands
The ground substance and fibers between cells in a connective tissue. Nervous tissue Mast cells Extracellular matrix Pleura
Extracellular matrix
The process by which fibroblasts synthesize collagen fibers and other extracellular matrix materials that aggregate to form scar tissue. Mast cells Secretion Hyaluronic acid Fibrosis
Fibrosis
The process by which fibroblasts synthesize collagen fibers and other extracellular matrix materials that aggregate to form scar tissue. Secretion Fibrosis Hyaluronic acid Mast cells
Fibrosis
Specialized epithelial cell or cells that secrete substances; may be exocrine or endocrine. Absorption Gland Stem cells Dendrites
Gland
Specialized epithelial cell or cells that secrete substances; may be exocrine or endocrine. Gland Dendrites Absorption Stem cells
Gland
A goblet-shaped unicellular gland that secretes mucus; present in epithelium of the airways and intestines. Central canal Goblet cells Muscular tissue Macrophages
Goblet cells
Microscopic study of the structure of tissues. Plasma cells Skeletal muscle tissue Absorption Histology
Histology
A type of gland in which entire secretory cells, along with their accumulated secretions, make up the secretory product of the gland, as in the sebaceous (oil) glands. Holocrine glands Haversian system Papanicolaou test Epithelial tissue
Holocrine glands
A viscous, amorphous extracellular material that binds cells together, lubricates joints, and maintains the shape of the eyeballs. Skin Adhesions Hyaluronic acid Endocrine glands
Hyaluronic acid
A viscous, amorphous extracellular material that binds cells together, lubricates joints, and maintains the shape of the eyeballs. Hyaluronic acid Endocrine glands Skin Adhesions
Hyaluronic acid
Increase in the size of a tissue because its cells enlarge without undergoing cell division. Fibroblasts Histology Stroma Hypertrophy
Hypertrophy
Increase in the size of a tissue because its cells enlarge without undergoing cell division. Fibroblasts Hypertrophy Histology Stroma
Hypertrophy
A family of transmembrane glycoproteins in plasma membranes that function in cell adhesion; they are present in hemidesmosomes, which anchor cells to a basement membrane, and they mediate adhesion of neutrophils to endothelial cells during emigration. Pleura Integrins Nerve action potentials Hypertrophy
Integrins
A family of transmembrane glycoproteins in plasma membranes that function in cell adhesion; they are present in hemidesmosomes, which anchor cells to a basement membrane, and they mediate adhesion of neutrophils to endothelial cells during emigration. Nerve action potentials Integrins Hypertrophy Pleura
Integrins
Growth from within, as in the growth of cartilage. Muscular tissue Interstitial growth Mucous membrane Smooth muscle tissue
Interstitial growth
Growth from within, as in the growth of cartilage. Muscular tissue Smooth muscle tissue Mucous membrane Interstitial growth
Interstitial growth
An insoluble protein found in the hair, nails, and other keratinized tissues of the epidermis. Pleura Keratin Chondroitin sulfate Appositional growth
Keratin
A small, hollow space, such as that found in bones in which the osteocytes lie. Holocrine glands Lacunae Osteocytes Papanicolaou test
Lacunae
Concentric rings of hard, calcified extracellular matrix found in compact bone. Platelets Neuroglia Integrins Lamellae
Lamellae
Which of the following is NOT a common characteristic of epithelial tissues? Entry field with correct answer Large amount of extracellular matrix. Contains no blood vessels within tissue. Cells are tightly packed together. Found on the exposed surfaces of the body. Line the inside of blood vessels.
Large amount of extracellular matrix.
A thin, flexible sheet of tissue composed of an epithelial layer and an underlying connective tissue layer, as in an epithelial membrane, or of areolar connective tissue only, as in a synovial membrane. Tissue Exocrine glands Membranes Fibroblasts
Membranes
Gland made up of secretory cells that remain intact throughout the process of formation and discharge of the secretory product, as in the salivary and pancreatic glands. Cartilage Merocrine glands Holocrine glands Integrins
Merocrine glands
The layer of simple squamous epithelium that lines serous membranes. Nerve action potentials Plasma cells Keratin Mesothelium
Mesothelium
The layer of simple squamous epithelium that lines serous membranes. Keratin Nerve action potentials Plasma cells Mesothelium
Mesothelium
A membrane that lines a body cavity that opens to the exterior. Mucous membrane Serous membrane Chondroitin sulfate Stem cells
Mucous membrane
A tissue specialized to produce motion in response to muscle action potentials by its qualities of contractility, extensibility, elasticity, and excitability; types include skeletal, cardiac, and smooth. Macrophages Platelets Serous membrane Muscular tissue
Muscular tissue
Electrical impulses conducted by neurons to other neurons, to muscular tissue, or to glands. Also called nerve impulses. Neuroglia Serous membrane Leukocytes Nerve action potentials
Nerve action potentials
Tissue containing neurons that initiate and conduct nerve impulses to coordinate homeostasis, and neuroglia that provide support and nourishment to neurons. Nervous tissue Mesothelium Neuroglia Plasma cells
Nervous tissue
Tissue containing neurons that initiate and conduct nerve impulses to coordinate homeostasis, and neuroglia that provide support and nourishment to neurons. Nervous tissue Plasma cells Mesothelium Neuroglia
Nervous tissue
Cells of the nervous system that perform various supportive functions. Those of the central nervous system are the astrocytes, oligodendrocytes, microglia, and ependymal cells; those of the peripheral nervous system include Schwann cells and satellite cells. Lamina propria Muscular tissue Platelets Neuroglia
Neuroglia
A nerve cell, consisting of a cell body, dendrites, and an axon. Lamellae Atrophy Stroma Neurons
Neurons
A mature bone cell that maintains the daily activities of bone tissue. Osteocytes Peritoneum Epithelial tissue Tissue
Osteocytes
The functional parts of any organ, as opposed to tissue that forms its stroma or framework. Cartilage Mesenchyme Histology Parenchyma
Parenchyma
A loose-fitting membrane that encloses the heart, consisting of a superficial fibrous layer and a deep serous layer. Pericardium Dendrites Stem cells Endocrine glands
Pericardium
The membrane that covers cartilage. Perichondrium Tissue transplantation Nerve action potentials Interstitial growth
Perichondrium
The largest serous membrane of the body that lines the abdominal cavity and covers the viscera within it. Plasma cells Central canal Serous membrane Peritoneum
Peritoneum
Cell that develops from a B cell (lymphocyte) and produces antibodies. Appositional growth Plasma cells Epithelial tissue Tissue
Plasma cells
Cell that develops from a B cell (lymphocyte) and produces antibodies. Appositional growth Tissue Plasma cells Epithelial tissue
Plasma cells
A fragment of cytoplasm enclosed in a cell membrane and lacking a nucleus; found in the circulating blood; plays a role in hemostasis. Platelets Endocrine glands Skeletal muscle tissue Atrophy
Platelets
A fragment of cytoplasm enclosed in a cell membrane and lacking a nucleus; found in the circulating blood; plays a role in hemostasis. Platelets Endocrine glands Skeletal muscle tissue Atrophy
Platelets
The external covering of the body that consists of a superficial, thinner epidermis (epithelial tissue) and a deep, thicker dermis (connective tissue) that is anchored to the subcutaneous layer. Also called cutaneous membrane. Chondrocytes Mesothelium Skin Absorption
Skin
A tissue specialized for contraction, composed of smooth muscle fibers (cells), located in the walls of hollow internal organs, and innervated by autonomic motor neurons. Peritoneum Smooth muscle tissue Parenchyma Synovial fluid
Smooth muscle tissue
An unspecialized cell that has the ability to divide for indefinite periods and give rise to a specialized cell. Mucous membrane Cardiac muscle tissue Hyaluronic acid Stem cells
Stem cells
The tissue that forms the ground substance, foundation, or framework of an organ, as opposed to its functional parts (parenchyma). Serous membrane Lacunae Stroma Osteon
Stroma
Secretion of synovial membranes that lubricates joints and nourishes articular cartilage. Stroma Connective tissue Smooth muscle tissue Synovial fluid
Synovial fluid
Which of the following types of membranes found in the human body does NOT contain epithelial tissue? Entry field with correct answer Serous membrane Cutaneous membrane Synovial membrane Mucous membrane
Synovial membrane
The deeper of the two layers of the articular capsule of a synovial joint, composed of areolar connective tissue that secretes synovial fluid into the synovial (joint) cavity. Cardiac muscle tissue Lamellae Tissue rejection Synovial membranes
Synovial membranes
The replacement of a diseased or injured tissue or organ with cells or tissues from an animal. Porcine (from pigs) and bovine (from cows) heart valves are used for some heart-valve replacement surgeries. Atrophy Xenotransplantation Goblet cells Membranes
Xenotransplantation
Which following types of cells are considered excitable cells because they are able to produce electrical signals? Entry field with correct answer myofibers and connective tissue cells neuroglial cells and myofibers neuroglial cells and neurons neurons and epithelial cells myofibers and neurons
myofibers and neurons
The two principal types of cells found in nervous tissues are Entry field with correct answer neuroglial cells and neurons. neurons and mast cells. neuroglial cells and myofibers. neurons and dendritic cells. neurons and somites.
neuroglial cells and neurons.
The extracellular matrix of connective tissue consists of Entry field with correct answer keratinized cells and protein fibers. protein fibers and ground substance. calcified crystals of minerals and enzymes. enzymes and membranous organelles. plasma membranes and ground substance.
protein fibers and ground substance
Which type of muscle tissue is under the voluntary control of our nervous sytem. We can consciously control the movement of this type of muscle tissue. Entry field with correct answer skeletal cardiac smooth
skeletal
Immature, undifferentiated cells that can divide to replace lost or damaged cells are called Entry field with correct answer agranulocytes. stem cells. fibrotic cells. granulocytes. parenchymal cells.
stem cells.
The blood-brain barrier (BBB) restricts passage of bacteria and hydrophilic substances. The BBB is formed when endothelial cells in the brain are held together by ______ junctions.
tight
______ junctions hold cells together in a sheet, which restricts the movement of substances between the cells. These junctions can be found in cells such as the distal convoluted tubule and collecting duct of the nephron of the kidney.
tight
junction controls barrier functions by restricting diffusion and regulating permeability. Studying movement across this barrier may lead to new therapeutic strategies in drug delivery.
tight
If you wanted to design a tissue that restricted the movement of water and other molecules between adjacent cells, which type of junction would you use to connect the cells? Entry field with correct answer tight junctions gap junctions desmosomes hemidesmosomes adherens junctions
tight junctions
This type of epithelium has elastic properties. It is able to stretch and return to a less stretched condition. When stretched, the cells at the top flatten out and when relaxed they become rounded. What is this tissue? Entry field with correct answer stratified squamous stratified cuboidal stratified columnar transitional pseudostratified columnar
transitional
Cell junctions can allow communication between adjacent cells by electrical and chemical signaling. A True B False
A True
Microvilli would be found on which epithelial surface A apical B lateral C ciliated columnar D basal
A apical
Which cell junction is formed by interactions of cadherins? A desmosomes B gap C tight D hemidesmosomes
A desmosomes
Gap junctions can be found __________. A in cardiac and smooth muscle B in keratinized stratified squamous C between cells and the basement membrane D lining the digestive tract
A in cardiac and smooth muscle
Pemphigus causes blisters because the skin cells cannot firmly attach to each other. Pemphigus is an autoimmune disease that produces antibodies against which strength-producing transmembrane protein? A integrin B laminin C keratin D plaque
A integrin
The organs of the abdominal cavity are covered with which membrane? A visceral peritoneum B visceral pleural C parietal pleural D parietal peritoneum
A visceral peritoneum
An organ such as the liver or the stomach will contain which tissue? Select all that apply. A nervous B muscular C epithelial D connective
A nervous B muscular C epithelial D connective
Intake of fluids or other substances by cells of the skin or mucous membranes; the passage of digested foods from the gastrointestinal tract into blood or lymph. Synovial fluid Perichondrium Absorption Leukocytes
Absorption
Intake of fluids or other substances by cells of the skin or mucous membranes; the passage of digested foods from the gastrointestinal tract into blood or lymph. Absorption Synovial fluid Leukocytes Perichondrium
Absorption
Abnormal joining of parts to each other. Osteocytes Papanicolaou test Basement membrane Adhesions
Adhesions
Tissue composed of adipocytes specialized for triglyceride storage and present in the form of soft pads between various organs for support, protection, and insulation. Osteon Lymph Lamellae Adipose tissue
Adipose tissue
Tissue composed of adipocytes specialized for triglyceride storage and present in the form of soft pads between various organs for support, protection, and insulation. Osteon Lymph Adipose tissue Lamellae
Adipose tissue
A type of gland in which the secretory products gather at the free end of the secreting cell and are pinched off, along with some of the cytoplasm, to become the secretion, as in mammary glands. Apocrine glands Osteon Stroma Macrophages
Apocrine glands
A type of gland in which the secretory products gather at the free end of the secreting cell and are pinched off, along with some of the cytoplasm, to become the secretion, as in mammary glands. Apocrine glands Stroma Osteon Macrophages
Apocrine glands
Growth due to surface deposition of material, as in the growth in diameter of cartilage and bone. Perichondrium Leukocytes Appositional growth Tissue transplantation
Appositional growth
Which of the following is classified as loose connective tissue? Entry field with correct answer Hyaline cartilage Blood Spongy bone Areolar connective tissue Elastic connective tissue
Areolar connective tissue
A decrease in the size of cells, with a subsequent decrease in the size of the affected tissue or organ. Synovial membranes Osteon Mesenchyme Atrophy
Atrophy
The usually single, long process of a nerve cell that propagates a nerve impulse toward the axon terminals. Tissue Axon Merocrine glands Holocrine glands
Axon
Which of the following would NOT be found in the connective tissue ground substance? A hyaluronic acid B macrophages C calcium D proteoglycan
B macrophages
Which of the following is the tissue that would be found covering the outside of the large intestine? A parietal peritoneum B visceral peritoneum C visceral pericardium D parietal pleura
B visceral peritoneum
A gap junction that allows sodium or calcium ions to flow through would have which properties? Select all that apply. A polar B nonpolar C hydrophilic D hydrophobic
B nonpolar D hydrophobic
Thin, extracellular layer between epithelium and connective tissue consisting of a basal lamina and a reticular lamina. Interstitial growth Basement membrane Stem cells Adhesions
Basement membrane
Thin, extracellular layer between epithelium and connective tissue consisting of a basal lamina and a reticular lamina. Basement membrane Stem cells Interstitial growth Adhesions
Basement membrane
Which of the following statements is correct? A Tissues heal faster in males than in females. B Tissues heal faster in the aged than in the young. C Tissues heal faster in the young than in the aged. D Tissues heal equally in the aged and young.
C Tissues heal faster in the young than in the aged.