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Helena Harrison > integumentary system > Flashcards

integumentary system Flashcards

1
Q

sweat glnads

A

remove waste

cools body

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2
Q

hair follicles

A

surrounds root of hair

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3
Q

shaft

A

part of a hair projecting beyond the surface of the skin

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4
Q

root

A

hair embedded within follicle

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5
Q

free edge

A

protrudes from nail bed

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6
Q

lunula

A

white near cuticle

defines free edge

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7
Q

cuticle

A

delicate skin that protects new nails from bacteria when they grow out from the nail root

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8
Q

nail root

A

below the skin

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9
Q

pores

A

small openings in the skin in which oil and sweat reach the surface from their respective glands below

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10
Q

eccrine

A

sweat gland found all over skin

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11
Q

apocrine

A

scent glands

usually have an odor.

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12
Q

integumentary system

A

external layer/covering

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13
Q

skin

A

protects outside of body

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14
Q

epidermis

A

outermost layer of skin

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15
Q

dermis

A

middle layer of skin

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16
Q

hypodermis

A

deepest layer of skin

17
Q

thick skin

A

on hands & feet

18
Q

keratin

A

protein that makes up hair

19
Q

keratinocyte

A

produces keratin

20
Q

stratum basale

A

continually divide and replace the rest of the epidermis as it wears away
“base”

21
Q

stratum spinosum

A

prickle cells over the layer of the stratum basale capable of undergoing mitosis

22
Q

stratum granulosum

A

layer of granular nondividing cells lying immediately above the stratum basale in most parts of the epidermis.

23
Q

stratum lucidum

A

palms/soles of the feet & hands

24
Q

stratum corneum

A

horny outer layer of the skin

25
Q

5 layers of epidermis (superficial to deep)

A

corneum, lucidum, granulosum, basale

26
Q

Squamous Cell Cancer

A

large white bump
2nd most common
caused by sun exposure & genes

27
Q

melanoma

A

cancer formed in melanocytes

causes discoloration

28
Q

eczema

A

skin rash

genetic

29
Q

1st degree skin burn

A

least serious
superficial
sunburns
heal in time

30
Q

2nd degree skin burn

A

affects first & second layer of skin
clean & bandage
blisters
most painful

31
Q

3rd degree skin burns

A

worse than look
all nerves dead
reaches hypodermis

32
Q

4th degree skin burns

A

most traumatizing

Helena Harrison (9 decks)

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