Chapter 4: Structures of the Integumentary System Flashcards Preview

Medical Terminology > Chapter 4: Structures of the Integumentary System > Flashcards

Flashcards in Chapter 4: Structures of the Integumentary System Deck (9)
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1
Q

Skin

skin

A

Organ covering the body; made up of layers

2
Q

Epidermis

ep-i-DER-mis

A

Outer layer of skin; protects the body from the external environment

3
Q

Keratin

KAR-a-tin

A

Scleroprotein component of the horny, or cornified, layer of the epidermis. Also, the primary component of the hair and nails.

4
Q

Melanin

MEL-a-nin

A

Dark pigment produced by melanocytes; amount present determines skin color

5
Q

Hair

hār

A

Compressed, keratinized cells that arise from hair follicles, the sacs that inclose the hair fibers

6
Q

Nails

nālz

A

Horny plates made from flattened epithelial cells; found on the dorsal surface of the ends of the fingers and toes.

7
Q

Sebaceous glands

se-BĀ-shas) (glans

A

Secrete sebum (oil) into hair follicles where the hair shafts pass through the dermis.

8
Q

Sudoriferous (sweat) glands

soo-da-RIF-er-as) (glans

A

Tiny, coiled tubular structures that emerge through pores on the skin’s surface and secrete sweat

9
Q

Dermis

DUR-mis

A

Inner layer of skin; responsible for its flexibility and mechanical strength

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