Chap 16, Vocabulary Flashcards

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1
Q

adipocyte

A

Fat cell

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2
Q

albino

A

Person with skin deficient in pigment (melanin)

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3
Q

apocrine sweat gland

A

One of the large dermal exocrine glands located in the axilla and genital areas. It secretes sweat that, in action with bacteria, is responsible for human body odor.

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4
Q

basal layer

A

Deepest region of the epidermis; it gives rise to all the epidermal cells.

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5
Q

collagen

A

Structural protein found in the skin and connective tissue.

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6
Q

cuticle

A

Band of epidermis at the base and sides of the nail plate.

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7
Q

dermis

A

Middle layer of the skin.

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8
Q

eccrine sweat gland

A

Most numerous sweat-producing exocrine gland in the skin.

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9
Q

epidermis

A

Outermost layer of the skin.

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10
Q

epithelium

A

Layer of skin cells forming the outer and inner surfaces of the body.

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11
Q

hair follicle

A

Sac within which each hair grows.

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12
Q

integumentary system

A

The skin and its accessory structures such as hair and nails.

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13
Q

keratin

A

Hard protein material found in the epidermis, hair, and nails. Keratin means horn and commonly is found in the horns of animals.

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14
Q

lunula

A

The half-moon-shaped, whitish area at the base of a nail.

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15
Q

melanin

A

Skin pigment. It is formed by melanocytes in the epidermis. Eumelanin is brown-black pigment, while pheomelanin is red-yellow.

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16
Q

paronychium

A

Soft tissue surrounding the nail border.

17
Q

pore

A

Tiny opening on the surface of the skin.

18
Q

sebaceous gland

A

Oil-secreting gland in the dermis that is associated with hair follicles.

19
Q

sebum

A

Oily substance secreted by sebaceous glands.

20
Q

squamous epithelium

A

Flat, scale-like cells composing the epidermis.

21
Q

stratified

A

Arranged in layers.

22
Q

stratum (plural: strata)

A

A layer (of cells).

23
Q

stratum corneum

A

Outermost layer of the epidermis, which consists of flattened, keratinized cells.

24
Q

subcutaneous layer

A

Innermost layer of the skin, containing fat tissue.

25
Q

sweat glands

A

2 types of exocrine glands found in the skin. 1) apocrine 2) eccrine