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Integumentary Skin > Integumentary system > Flashcards

Integumentary system Flashcards

1
Q

Skin

A

An aggregation of tissues that performs a certain function (organ)

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2
Q

Skin Facts

A

Carries out a specialized function, Occupies (3000sq in) in area, also know as the cutaneous membrane.

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3
Q

Skin functions

A

regulates body temperature, protection, sensory reception, excretion + secretion, synthesis and storage of nutrients, immunity

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4
Q

what can change temperature

A

sweating, blood flow

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5
Q

What vitamin does the skin produce

A

Vitamin D

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6
Q

cells involved in immunity

A

Langerhans & Granstein cells

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7
Q

Kerationocytes

A

cell responsible for waterproofing the skin

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8
Q

Melanocytes

A

cell responsible for skin color

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9
Q

Nonpigmented Granular Dendrocytes

A

cell Involved in immune response

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10
Q

part of the epidermis that has 5 layer is called

A

“strata”

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11
Q

5 layers of the epidermis

A

1.stratum corenum
2.stratum lucidum
3.stratum granulosum
4. stratum spinosum
5.stratum basale

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12
Q

how is skin color determined

A

determined by the interaction of pigments in the Epidermis and the blood flow in the dermis

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13
Q

carotene pigment

A

orange and yellow pigment

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14
Q

melanin pigment

A

yellow brown or black pigment

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15
Q

albinism

A

lack of melanin

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16
Q

vitiligo

A

Patchy white spots due to loss of pigment.

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17
Q

Keratinization

A

The synthesis of Vitamin D using skin pigment and small amounts of ultraviolet radiation

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18
Q

Freckles

A

concentration of melanin in patches

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19
Q

Melanoma

A

skin cancer

20
Q

Dermis

A

Contains numerous blood vessels, nerves, glands, and hair follicles. Also split into two divisions, papillary and reticular layer.

21
Q

papillary layer of dermis

A

Contains loose connective tissue, capillaries, nerves and Contains Fraction Ridges, and form fingerprints.

22
Q

reticular layer of dermis

A

has Strength, Extensibility, Elasticity. contains Striae- Silver/White streaks, (stretch marks) and Elastic & Collagen Fibers.

23
Q

hypodermis

A

Subcutaneous (fat) Layer, made of loose connective and adipose tissue

24
Q

hypodermis function

A

Allows the other layer to anchor to the body. is an Energy reserve & Shock Absorber. has Large Blood Vessels (good for administering needles) “hypodermic needle”.

25
Q

three types of cancer

A

basal cell carcinoma, squamous cell carcinoma, and malignant melanomas

26
Q

hair

A

Made of dead skin cells and protein

27
Q

hair function

A

Protects from heat and foreign objects, sensory

28
Q

Hair Follicle

A

Structure below the skin that produces hair.

29
Q

hair root

A

Portion of hair that anchors it to the skin.

30
Q

hair shaft

A

Portion that sticks out of the surface of the skin.

31
Q

Hair Papilla

A

Connective tissue containing capillaries and nerves.

32
Q

Arrector Pili

A

Smooth muscle around the follicle that allows hair to stand up

33
Q

nail

A

Plates of tightly packed, hard cells of the epidermis

34
Q

nail bed

A

Area of the epidermis directly under the cover of the nail

35
Q

nail root

A

Under the surface of the skin, its is a fold of epithelial tissue from the stratum corneum. Location of nail production.

36
Q

Cuticle

A

Exposed nail nearest to the nail root it is a portion of the stratum corneum that extends over the exposed nail

37
Q

lunula

A

Pale crescent shading near the cuticle

38
Q

three types of glands

A

oil, sweat, wax

39
Q

sebaceous gland(holocrine)

A

Oil gland that secretes a lipid onto the surface of the skin
• Sebum • Acne

40
Q

two types of Sudoriferous Gland(sweat)

A

apocrine and merocrine

41
Q

apocrine

A

Discharge their product into the hair follicles in the armpit, around the nipples, and in the groin.

42
Q

mecrocrine

A

Discharge their product or secretion onto the surface of the skin.

43
Q

Abrasion

A

Results from scraping against a solid object, bleeding can be slight.

44
Q

incision

A

Linear cut produced by sharp objects, bleeding can be severe if deep vessels are damaged.

45
Q

laceration

A

Jagged, Irregular tear in the skin’s surface, bleeding can be severe, lacerations are prone to infection.

46
Q

puncture

A

Results from slender, pointed object piercing the epithelium. Little bleeding.

Integumentary Skin (1 decks)

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