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3B-Keira Brown > Integumentary System > Flashcards

Integumentary System Flashcards

1
Q

Integumentary System

A

its function is to enclose internal body structures, site of many sensory receptors and vitamin D synthesis

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2
Q

What are the 4 function?

A

Protection, sensory function, thermoregulation, vitamin D synthesis

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3
Q

What are the skins three main layers?

A

Epidermis
Dermis
Hypodermis

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4
Q

What are the types of skin?

A

Thin and thick

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5
Q

Keratinocyte

A

a cell that manufactures and stores the protein keratin.

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6
Q

Keratin

A

an intracellular fibrous protein that give hair, nails, and skin their hardness and water resistant properties

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7
Q

stratum basale

A

deepest epidermal layer

and attaches epidermis to the basal lamina

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8
Q

merkel cell

A

under the stratum basale. function as a receptor and is responsible for stimulating sensory nerves

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9
Q

melanocyte

A

also under the stratum basale. a cell that procudes the pigment melanin. give hair and skin color and protects epidermis from UV

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10
Q

stratum spinosum

A

spiny in appearence

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11
Q

stratum granulosum

A

grainy appearance

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12
Q

stratum lucidum

A

smooth. seemingly translucent

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13
Q

stratum corneum

A

most superficial layer of epidermis. layers of keratinization

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14
Q

layers from superficial to deep

A 
Stratum corneum
stratum lucidum
stratum granulosum
stratum spinosum
stratum basale
come
lets
get
sun
burnt
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15
Q

hair

A

keratinous filament growing out of the epidermis. Provides warmth and immune defense

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16
Q

Hair follicule

A

strands originate in an epidermal penetration of the dermis

17
Q

hair shaft

A

part of the hair not anchored to the follicle and is exposed at skins surface

18
Q

hair root

A

rest of hair that is anchored in the follicle but lies below surface of the skin

19
Q

free edge

A

white portion of the nail that consist of dead cells and keratin

20
Q

lunula

A

white base of a fingernail

21
Q

cuticle

A

layer of skin located along the bottom edge of your finger or toe

22
Q

nail root

A

root portion of the nail lies below the skin underneath the nail into the finger

23
Q

eccrine sweat gland

A

gland that produces a hypotonic sweat for thermoregualtion

24
Q

apocrine sweat glands

A

usually associated with hair follicles in densely hairy areas.

25
Q

pores

A

opening in the skin which particles can pass

26
Q

Squamous Cell Carcinoma

A

2nd most common is skin cancer and more dangerous because it can spread internally.

Caused by too much UV exposure affecting DNA. Skin cancer on the epidermis and lining of organs in the body.

Treated by being surgically removed.

27
Q

Basal cell Carcinoma

A

a most common type of skin cancer, caused by sun exposure

symptoms are white bumps or dry scaly skin.

treat with surgery or medication

28
Q

Eczema

A

skin condition making your skin red, itchy, and flaky. Genetic

symptoms include dry skin and itching and bumps

treatment includes no cure but prevention with avoiding harsh soaps.

29
Q

acne

A

when the pores on your skin become blocked with oil, dead skin, or bacteria. Each pore has sebaceous filaments.

treatments cleaning the skin and applying cream or gel.

30
Q

1st-degree burns

A

affect the epidermis and caused by sunburns or electrical burns. least serious

the symptom is peeling or swelling skin

treat with cool water and time

31
Q

2nd degree

A

affect epidermis and dermis.

symptoms are blisters

treat with cold water

32
Q

3rd-degree burn

A

affect epidermis and dermis, nerves are dead

33
Q

4th-degree burn

A

go through both layers of skin and underlying tissue, muscles, and bones.

symptoms are a pain.

treated with skin grafts and coverings

34
Q

stretch marks

A

a scar that occurs when the skin stretches or shrinks too quickly like from pregnancy or weight loss.

cream can minimize

35
Q

Callus and corn

A

a small area of thickened skin from repetitive friction, pressure, or irritation.

symptoms of pain under the skin

treatment is soaking in soapy water

3B-Keira Brown (10 decks)

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