Anatomy Chp 4
Which are functions of the basement membrane?
Acts as a barrier Provides physical support Anchors the epithelium to connective tissue
Acts like a belt providing strength and support between cells
Adhering junctions
Which are examples of resident cells of connective tissue proper?
Adipocytes Mesenchymal cells Fibroblasts
_____ simple columnar epithelium lines the larger bronchioles of the lungs.
Ciliated
This type of epithelium is known for its ability to move structures like the oocyte in a uterine tube or small particles in the bronchioles of the lung.
Ciliated simple columnar epithelium
Which of the following intercellular junctions acts like a button or snap between adjacent epithelial cells?
Desmosome
Which type of junction provides resistance to mechanical stress on cells but does not completely encircle a cell?
Desmosome
Which type of junction provides resistance to mechanical stress on cells but does not completely encircle a cell? also, acts like a button or snap between adjacent epithelial cells?
Desmosome
Which are examples of resident cells of connective tissue proper?
Fibroblasts Mesenchymal cells Adipocytes
Which of the following secretes mucin?
Goblet cells
lateral epithelial cell surface
Have intercellular connections
Which statement characterizes the ground substance of connective tissues?
It can be fluid, semisolid, or solid.
Which statements correctly describe epithelial tissue?
It has a high regeneration capacity. It is richly innervated. It lacks blood vessels.
cells are not alive and do not have nuclei.
Keratinized cells
Which statements describe the locations of epithelial tissue?
Lines body cavities Lines many organs Covers many organs Covers body surfaces
Where might you find simple squamous epithelium?
Lining of lumen of blood vessels (endothelium) Lining of air sacs (alveoli) of lungs
Which is a location of nonkeratinized stratified squamous epithelial tissue?
Lining of the mouth
Which is a location of pseudostratified ciliated columnar epithelium?
Lining of the trachea
Which is an example of an apocrine gland?
Mammary
These epithelial cells form a single layer of tall, narrow cells whose apical membranes may have microvilli for increased absorption and secretion.
Nonciliated simple columnar
These epithelial cells form a single layer of tall, narrow cells whose apical membranes may have microvilli for increased absorption and secretion.
Nonciliated simple columnar. (If it has microvilli then it wouldn't be ciliated)
This type of epithelium has live cells all the way to its apical surface as evidenced by the nuclei that are present in their flattened cells.
Nonkeratinized stratified squamous
Which are considered the functions of connective tissue?
Physical protection Storage and transport Binding and support of structures
Connective tissues, although diverse, share the following basic components.
Proteins fibers Ground substance Cells
The lining of the larynx consists of what type of epithelial tissue?
Pseudostratified ciliated columnar epithelium
Which type of epithelium is composed of a single layer of cells that are attached to a basement membrane but not all the cells reach the apical surface of the epithelium?
Pseudostratified, " because all the cells do not reach the apical surface.
Choose the type of connective tissue one would find in the stroma of lymph nodes, in the spleen, the thymus and in bone marrow.
Reticular
hich is an example of a holocrine gland?
Sebaceous glands (oil-producing) glands in the skin
functions of epithelial tissue
Secretions Selective permeability Physical protection Sensations
Which criteria are used to classify epithelia?
Shape of cells at apical surface Number of cell layers
One layer of tall, narrow cells that can move objects along their apical surface
Simple columnar, ciliated
One layer of tall, narrow cells that often contain microvilli
Simple columnar, nonciliated
relatively rare in the body and is found in the membranous segment of the male urethra.
Stratified columnar epithelium
Which characteristics describe epithelial tissue?
The basal surface is bound to a basement membrane. The cells are bound closely together. It is composed almost entirely of cells.
histology
The study of blood, which is a group of similar cells that have a common function, would be an example of ______. The study of tissues and their relationships within organs is called ______.
Which are characteristics of collagen fibers?
They are strong and flexible. They appear white in fresh tissues. They resist stretching.
Which statements characterize adhering junctions?
They contain microfilaments. They completely encircle a cell. They are typically located deep to tight junctions.
Which statements characterize tight junctions?
They seal off the intercellular spaces of epithelial cells. They encircle epithelial cells near their apical surfaces. The attach epithelial cells to neighboring epithelial cells.
Which type of epithelium is composed of cells that readily change their shapes?
Transitional
If the secretory portion of a gland forms an expanded sac, the gland is called ______.
acinar
Sacs that produce secretions of multicellular exocrine glands are ______.
acini
A multicellular exocrine gland consists of ______.
acini and at least one duct
These connective tissue cells are closely packed together and have nuclei squeezed to one side by the material that it stores.
adipocytes
Morphology is a(n) ______ classification of an exocrine gland.
anatomic
glands are composed of cells that accumulate their secretory products with the apical portion of their cytoplasm; the secretion of these glands contains the apical portions of the cells.
apocrine
Between epithelia and underlying connective tissue is the ______.
basement membrane
fibrous structure called a __________encloses most multicellular exocrine glands
capsule
basement membrane contains
carbohydrates protein fibers collagen fibers
chondrocyte cell connective tissue location
cartilage
do not increase surface areas, hair-like structures that move substances along the outside of the cell membrane.
cilia
Which type of protein fiber, in connective tissue, is the most abundant type of protein in the body and appears pink under the microscope when stained with hemotoxylin and eosin?
collagen
The extracellular matrix of this type of tissue can vary in consistency between liquid and solid.
connective
fibroblast cell connective tissue location
connective tissue proper
The simple squamous epithelium that lines blood and lymphatic vessels is called a(n) ______.
endothelium
The majority of glands are composed of ______.
epithelial tissue
Which is a resident cell of connective tissues and produces fibers?
fibroblast
Produce fibers and ground substance
fibroblasts
The three types of connectives include
fluid connective tissue, supporting connective tissue, connective tissue proper
Endothelium lines the ______.
heart
What type of gland secretes a mixture of cell fragments and the product the cell synthesized before its disintegration?
holocrine
Simple cuboidal epithelium can be found ______.
in kidney tubules in ducts of most glands
Simple cuboidal epithelium can be found ______.
in kidney tubules in ducts of most glands (because for secretion)
Keratinized stratified squamous epithelial tissue is located ______.
in the epidermis of skin
Nonciliated simple columnar epithelium is found here.
in the lining of the digestive tract
Simple squamous epithelium would be found here.
in the lumen of blood vessels (endothelium)
An example of a merocrine gland is ______.
lacrimal glands
Wandering cells of connective tissues are primary types of ______.
leukocytes
Simple ciliated columnar epithelium is located ______.
lining the uterine tubes
Which connective tissue cells are derived from monocytes in the blood and reside in the extracellular matrix after leaving the blood?
macrophages
gland is a type of exocrine gland that packages its secretions into secretory vesicles.
merocrine or eccrine
The embryonic ______ forms all connective tissues.
mesoderm
Criteria used to classify multicellular exocrine glands include ______.
method of secretion morphology
Tiny, cytoplasmic projections on the apical surface of a cell that increases the surface area for secretion and absorption are called _____. Folds of cell membranes
microvilli
embryonic connective tissue called the_________connective tissue is located in the umbilical cord only.
mucous
Examples of wandering cells of connective tissue proper are ______.
plasma cells mast cells free macrophages
Cells of connective tissue that are stationary and help support, maintain, and repair extracellular matrix are ______.
resident cells
____________fibers contain the protein collagen and are thinner than collagen fibers.
reticular fibers
form a structural connective tissue framework which help them to support organs and resist external forces.
reticular fibers.
This type of exocrine gland produces sweat, milk, tears, or digestive juices.
serous
The walls of the larger ducts of most exocrine glands, such as the sweat glands, is formed by ______.
stratified cuboidal epithelium
The connective tissue framework of a multicellular exocrine gland is called the ______.
stroma
Which type of junction would be found in the small intestine to prevent digestive enzymes from moving between epithelial cells into underlying connective tissue?
tight
Connective tissue characaterized as having spaces between them
tissue cells not in direct contact with eachother
Epithelial tissue Nervous tissue Muscle tissue
tissue types have relatively little extracellular matrix?
This type of epithelium's appearance can vary depending on if it has been stretched or relaxed.
transitional
Which type of epithelium lines the urinary bladder?
transitional (think of how bladder stretches when full)
Areolar connective tissue is found nearly everywhere in the body.
true
Ground substance is produced by connective tissue cells.
true
True or false: An exocrine gland with both secretory tubules and secretory acini called a tubuloacinar gland.
true The name describes the two components of this type of gland. Tubulo-acinar
A gland with a secretory portion that is uniform in diameter to its duct is called ______.
tubular
larger than microvilli. They are folds of tissues
villi