PHCY402: Med Terms Quiz #7 (Integumentary System 1)

Created by eturingan 

Upgrade to
remove ads

Spring 2012

epithelium

Cells covering external and internal surfaces of the body

epidermis

Thin, cellular outer layer of the skin

squamous cell layer

Flat, scale-like epithelial cells comprising the outermost layers of the epidermis

basal layer

Deepest region of the epidermis

melanocyte

A cell found in the basal layer that gives color to the skin

melanin

Dark brown to black pigment contained in melanocytes

dermis

Dense, fibrous connective tissue layer of the skin (aka the corium)

sebaceous glands

Oil glands in the skin

sebum

Oily substance secreted by the sebaceous glands

subcutaneous tissue

Connective and adipose tissue layer just under the dermis

collagen

Protein substance found in skin and connective tissue

keratin

Hard protein material found in the epidermis, hair, and nails

lesion

An area of pathologically altered tissue (two types: primary and secondary)

macule

A flat, discolored spot on the skin up to 1 cm across (e.g., a freckle); aka macula

papule

A solid mass on the skin up to 0.5 cm in diameter [e.g., a nevus (mole)]

plaque

A solid mass greater than 1 cm in diameter, limited to the surface of the skin

nodule

A solid mass greater than 1 cm, which extends deeper into the epidermis

tumor

A solid mass larger than 1-2 cm

wheal

An area of localized skin edema (swelling) (e.g., a hive)

vesicle

Little bladder; an elevated, fluid-filled sack (blister) within or under the epidermis up to 0.5 cm in diameter (e.g., a fever blister)

bulla

A blister larger than 0.5 cm (e.g., a second-degree burn)

pustule

A pus-filled sac (e.g., a pimple)

ulcer

An open sore on the skin or mucous membrane that can bleed and scar and is sometimes accompanied by infection (e.g., decubitus ulcer)

excoriation

A scratch mark (e.g., from a cat scratch)

fissure

A linear crack in the skin

cicatrix

A mark left by the healing of a sore or wound showing the replacement of destroyed tissue by fibrous tissue; scar

keloid

An abnormal overgrowth of scar tissue that is thick and irregular

spider angioma

A vascular lesion most commonly seen on the face, neck, or chest

purpura

Purpuric lesions; lesions as a result of hemorrhages into the skin

petechia

Spot; a reddish-brown, minute hemorrhagic spot on the skin that indicated a bleeding tendency - small purpura

ecchymosis

Bruise; a black and blue mark - large purpura

nevus

A congenital malformation on the skin that can be epidermal or vascular - aka a mole

Please allow access to your computer’s microphone to use Voice Recording.

Having trouble? Click here for help.

We can’t access your microphone!

Click the icon above to update your browser permissions above and try again

Example:

Reload the page to try again!

Reload

Press Cmd-0 to reset your zoom

Press Ctrl-0 to reset your zoom

It looks like your browser might be zoomed in or out. Your browser needs to be zoomed to a normal size to record audio.

Please upgrade Flash or install Chrome
to use Voice Recording.

For more help, see our troubleshooting page.

Your microphone is muted

For help fixing this issue, see this FAQ.

Star this term

You can study starred terms together

NEW! Voice Recording

Create Set