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anaphy > Skin > Flashcards

Skin Flashcards

1
Q

What are the functions of the integumentary system?

A

Protection, Sensation, Temperature regulation, Excretion and Vitamin D production

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2
Q

The skin produces acidic secretions called

A

the acid mantle

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3
Q

What is the epidermis

A

the outermost layer of the skin, made up of stratified squamous epithelium

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4
Q

What is the dermis

A

underlying layer of epidermis, made up of dense connective tissue

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5
Q

What causes a blister

A

a burn or friction

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6
Q

What is the subcutaneous tissue or hypodermis

A

essentially adipose tissue, anchors skin to underlying organs and is a nutrient storage

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7
Q

The common type of cells in the epidermis

A

Keratinocytes (keratin cells)

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8
Q

What is keratinization

A

makes the epidermis a tough protective layer

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9
Q

The blood supply of epidermis

A

avascular, no blood supply

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10
Q

What are the 5 layers of the epiderms

A

stratum basale, spinosum, granulosum, lucidum and corneum

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11
Q

What is the stratum basale

A

deepest layer, contains most adequately nourished cells

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12
Q

What is the stratum germinativum

A

where the stem cells are constantly dividing and new cells are produced daily

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13
Q

What is the stratum spinosum

A

“prickly layer”, numerous cells that look prickly

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14
Q

What is the stratum granulosum

A

4-6 cell layers thick, keratinization begins, flatter

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15
Q

What is the stratum lucidum

A

the clear layer, 2-3 cell layers thick, dead keratinocytes

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16
Q

What is the stratum corneum

A

20-30 cell layers thick, dead and anucleated

17
Q

The pigment inside our skin

A

melanin

18
Q

What is the color range of melanin

A

yellow to brown to black

19
Q

The basic unit of melanin is

A

melanocyte, found in the stratum basale

20
Q

What is the dermis

A

strong, stretchy envelope that helps to bind the body together

21
Q

What are the two major regions of the dermis

A

the papillary (areolar) and the reticular (dense irregular connective) regions

22
Q

The papillary layer is the

A

superficial dermal region

23
Q

The dermal papillae is the

A

superior surface of the papillary layer, has peglike projections that extend up to the epidermis

24
Q

What are the functions of the dermal papillae

A

supplies nutrients to the epidermis, removes waste and helps regulate body temp, has the fingerprints

25
Q

What is the reticular layer

A

the deepest skin layer, contains blood vessels, sweat and oil glands, and deep pressure receptors called lamellar corpuscles

anaphy (7 decks)

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