A&P 1 Lab Ex. 4, 5, 6.

If the secretory portion of a gland is rounded, it is classified as an ________ gland

Acinar

Stores fat and provides insulation

Adipose

An inherited inability to produce melanin is called

Albanism

Superficial fascia contains which tissue?

Areolar Connective Tissue

The smooth muscle attached to a hair follicle is called the

Arrector pilli muscle

The structure that attaches epithelium to underlying connective tissue is called the

Basement membrane

Contains lacunae and chondrocytes

Cartilage

Which statement about connective tissue is false?

Cells are always very closely packed together

Cartilage cells called __________ are found in lacunae

Chondrocytes

Because the sublingual gland contains a branched duct and flasklike secretory portions, it is classified as

Compound Acinar

Multicellular exocrine glands that contain branching ducts are classified as __________ glands

Compound exocrine

Which of the following is the proper sequence of layering of the epidermis going from the free surface toward the underlying tissues?

Corneum, lucidum, granulosum, spinosum, basale

Nerve endings sensitive to touch are called

Corpuscles of touch

Torn ligaments would involve damage to which tissue?

Dense Regular

Forms fasciae and dermis of skin

Dense irregular connective tissue

Fingerlike projections of the dermis that contain loops of capillaries and receptors are called

Dermal papillae

The cartilage that provides support for the larynx and external ear is

Elastic

Ductless glands that secrete hormones are called _______ glands

Endocrine

Simple squamous epithelial tissue that lines the heart, blood vessels, and lymphatic vessels is called

Endothelium

which of the following statements is not correct?

Endothelium is composed of cuboidal cells

The outer, thinner layer of the skin is known as the

Epidermis

Which of the following sequences, from outside to inside, is correct?

Epidermis, Papillary layer, Reticular layer, Subcutaneous layer

The cuticle of a nail is referred to as the

Eponychium

As it relates to the hair, the downward continuation of the epidermis is called the

External root sheath

The tissue that provides insulation, support, and protection, and serves as a food reserve is

Fat tissue

Believed to form collagen and elastic fibers in injured tissue

Fibroblast

The cell in connective tissue that forms new fibers is the

Fibroblast

Cells found in epithelium that secrete mucus are called __________ cells

Goblets

________ glands accumulate their secretory products in their cytoplasm, the cells dies, and is discharge with its contents as the glandular secretions

Holocrine

Which tissue forms articular and costal cartilage?

Hyaline Cartilage

The ground substance that helps lubricate joints and binds cells together is

Hyaluronic acid

Which of the following statements about the function of skin is not true?

It absorbs water and salts

Which statement best describes connective tissue?

It usually contains large amount of matrix

Which statement best describes covering and lining epithelium?

Its free surface is exposed to the exterior of the body or to the interior of a hollow structure

Skin color is not determined by the presence or absence of

Keratin

The tissue that provides the skin with resistance to wear and tear and serves to waterproof it is

Keratinized Stratified Squamous

The waterproofing quality of skin is due to the presence of

Lamellar granules

The whitish semilunar area at the proximal end of the nail body is referred to as the

Lanula

The epidermal layer that is more apparent in the palms and soles is the stratum

Lucidum

Phagocytic cell; engulfs bacteria and cleans up debris; important during infection

Macrophage

The connective tissue cell that would most likely increase its activity during an infection is the

Macrophage

Histamine, a substance that dilates small blood vessels during inflammation, is secreted by _____ cells

Mast

Abundant along the walls of blood vessels; produces histamine, which dilates blood vessels

Mast cells

Destruction of what part of a single hair would result in its inability to grow?

Matrix

The inner region of a hair shaft and root is the

Medulla

Melanin is synthesized in cells called

Melanocytes

Which glands produce secretion that are simply formed by the secretory cells and then discharged into a duct?

Merocrine

The simple squamous epithelium of a serous membrane that covers viscera is called

Mesothelium

Membranes that line cavities that open directly to the exterior are called

Mucous

One would not expect to find sudoriferous glands associated with

Nail beds

The attached visible portion of a nail is called the

Nail body

Growth in the length of nails is the result of the activity of the

Nail matrix

A group of tissues that performs a definite function is called

Organ

The technical name for a mature bone cell is an _____

Osteocyte

One would expect to find relatively few, if any, sebaceous gland in the skin of the

Palms

The portion of a hair containing areolar connective tissue and blood vessels is the

Papilla of the hair

Canals that extend obliquely inward or horizontally from the bone surface and contain blood vessels and lymphatic vessels are called __________ canals

Perforating

Derived from lymphocytes, gives rise to antibodies and so is helpful in defense

Plasma cell

Sebaceous glands

Produce an oily substance that prevents excessive water evaporation from the skin

Stratified epithelium is usually found in areas of the body where the principal activity is

Protection

A type of epithelium that appears to consist of several layers but actually contains only one layer of cells is

Pseudostratified columnar epithelium

Not a true stratified tissue; all cells on basement membrane, but some do not reach surface

Pseudostratified columnar epithelium

Ciliated epithelium destroyed by disease would cause malfunction of which system

Respiratory

___________ tissue forms the stroma of organs such as the liver and spleen

Reticular connective

An example of a simple branched acinar gland is _______ gland

Sebaceous

_______ membranes consists of parietal and visceral layers and line cavities that do not open to the exterior

Serous

Microvilli and globet cells are associated with which tissue?

Simple Columnar Nonciliated

Lines inner surface of the stomach and intestine

Simple columnar epithelium

Single layer of cubed-shaped cells; found in kidney tubules and ducts of some glands

Simple cuboidal epithelium

Lines air sac of lungs where thin cells are required for diffusion of gases into blood

Simple squamous epithelium

Lines mouth; present on outer surface skin

Stratified squamous epithelium

The skin is attached to underlying structures by the

Subcutaneous layer (hypodermis)

Small bones located in sutures between certain cranial bones are referred to as _________ bones

Sutural

In the control of body temperature, the effectors are blood vessels in the dermis and ___________ glands

Sweat

The secretory product of a sudoriferous glands is called

Sweat

Membranes that line joint cavities are called _________ membranes

Synovial

A group of organ that operate together to perform a specialized function is called

System

A group of similar cells that have a similar embryological origin and operate together to perform a specialized activity is called

Tissue

In parts of the body such as urinary bladder, where considerable distention (stretching) occurs, you can expect to find which epithelial tissue?

Transitional

Lines urinary tract, as in urinary bladder, permitting distention

Transitional epithelium

growth in thickness of bones occurs by _________ growth

appositional

the thin layer of hyaline cartilage covering the end of a bone where joints are formed is called ________ cartilage

articular

The epidermal layer that produces new cells is the stratum

basale

the zone of _________ is closest to the diaphysis of the bone

calcified cartilage

minute canals that connect lacunae are called

canaliculi

Modified sweat glands that line the external auditory canal are called ________ glands

ceruminous

the _______ are rings of hard calcified matrix

concentric lamellae

the shaft of a bone is also referred to as the _________

diaphysis

the membrane that lines medullary cavity and contains a single layer of bone-forming cells is the _______

endosteum

The end, or extremity, of a bone is referred to as the ________

epiphysis

A gland

exocrine/endocrine, single/multicellular, consists of epithelial tissue

the hardness of bone is premarily due to the mineral salt __________

hydroxyapatite

the cavity within the shaft of a bone that contains fatty yellow bone marrow in the adult is the ______ cavity

marrow / medullary

in a mature bone, the region where the shaft joins the extremity is called the _________

metaphysis

the technical name for bone tissue is ________ tissue

osseous

the process by which bone is formed is called ________

ossification

the microscopic structural unit of compact bone tissue is called an _________

osteon

Nerve endings sensitive to deep pressure are referred to as ______ corpuscles

panician

the membrane around the surface of a bone, except for the areas covered by cartilage, is the _______

periosteum

cube-shaped bones that contain more spongy bone tissue than compact bone tissue are known as ______ bones

short