Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

Skin > structure > Flashcards

structure Flashcards

1
Q

what type of membrane is skin

A

cutaneous epitheleal

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

layer of subcutaneous fat under skin known as

A

hypodermis

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

2 main layers of skin

A

epidermis

dermis

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

what type of epithelium is epidermis

A

stratified keratinized

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

does epidermis get nourishment from BVs

A

no - interstitial fluid

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

epidermis drained by

A

lypmph

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

skin sloughing known as

A

desquamation

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

fingerprints formed in which month foetal development

A

3rd

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

fingerprints are downward projections of what into what

A

epidermis into dermis

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

5 layers of epidermis

A 
stratum - corneum
luciderm * thick skin only
granulosum
spinosum
basale
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

describe stratum corneum

A

thick horny layer dead cells

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

describe stratum granulosum

A

drying cells

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

describe stratum spinosum

A

new keratinocytes

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

describe stratum basale

A

dividing cells forming keratinocytes

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

epidermis attaches to dermis via

A

basement membrane

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

keratin is a

A

waterproofing protein

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

epidermis completely renews in

A

40 days approx

18
Q

brown pigmentation of dermis due to melanin secreted by

A

melanocytes

19
Q

pink colour of dermis due to

A

blood circulation/oxyhaemoglobin

20
Q

yellow colour of dermis due top

A

carotenes/bile pigment

21
Q

what seperates forming a blister

A

epidermis and dermis

22
Q

dermis is connective tissue made of interlocked

A

collagen and elastic fibres

23
Q

stretch marks are ruptured

A

elastic fibres

24
Q

dermis contains

A 
blood
lymph
sensory nerve endings
sweat glands
fibroblasts - blood clotting
macrophages/mast cells - immune
25
Q

sweat produced by

A

sudoriferous glands

26
Q

excessive sweating leads to

A

dehydration/sodium depletion

27
Q

4 types sensory nerve endings

A

meissners corpuscle
pacinian corpuscle
free nerve endings
merkel cells

28
Q

meissners corpuscle responds to

A

light pressure

29
Q

pacinian corpuscle responds to

A

deep pressure

30
Q

free nerve endings respond to

A

pain

temperature

31
Q

merkel cells respond to

A

light touch discrimination shapes/textures

32
Q

hair made of

A

dead keratinised cells

33
Q

hair colouir is

A

genetically determined

34
Q

in grey hair melanin is replaced withy

A

air bubbles

35
Q

arrector pili is microscopic smooth muscle connecting what 2 structures

A

hair follicle to dermis

36
Q

what control is arrector pili under

A

autonomic involuntary

37
Q

what causes goosebumps

A

arrector pili muscles

38
Q

what secretes sebum

A

sebaceous glands

39
Q

function of sebum

A

hair soft
water proofing skin
anti-microbial

40
Q

how does sebum production change with age

A

increases puberty

decreases with age

Skin (4 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions