Integumentary System Flashcards

You may prefer our related Brainscape-certified flashcards:
1
Q

The body needs protection from numerous threats from the environment. These include viral and bacterial invasion and ultraviolet radiation from the sun.

A

Integumentary system

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

the largest organ of the body

A

Skin

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

Protect against injury
Protect against the sun UV rays

A

Skin

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

Prevent entry of harmful microorganisms
Maintain the proper internal body temperature

A

Skin function

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

Excrete waste materials through perspiration
Function as a sense organ

A

Skin

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

Three layers of the skin

A

Epidermis, Dermis, Subcutaneous

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

stratified squamous epithelium

A

Epidermis

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

corium

A

Dermis

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

Basal layer includes melanocytes

A

Epidermis

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

Stratum corneum

A

Epidermis

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

Nerves, vessels, glands, hair follicles

A

Dermis

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

Connective tissue (mostly lipocytes)

A

Subcutaneous

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

Outermost skin layer

A

Epidermal layer

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

Consists of several sublayers

A

Epidermal layer

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

Top sublayer is called

A

stratum corneum

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

Nonvascular

A

Epidermal layer

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

found in the cells

A

Keratin

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

bottom sublayer where new cells are produced that push up toward the stratum corneum

A

Stratum germinativum

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

continuously and rapidly divide through mitosis, pushing older cells outward.

A

Living cells in the inner epidermis

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q

The older cells start producing tough protein fibers known

A

Keratin

21
Q

washed away or flake off almost every month.

A

Dead cells on the outer epidermis

22
Q

Outer epidermis also contains cells known as

A

MELANOCYTES

23
Q

MELANOCYTES that produce the dark brown pigment called

A

Melanin

24
Q

shield off harmful ultraviolet radiation from the sun.

A

Melanin

25
Q

Also called the corium

A

Dermal layer

26
Q

Dermal sub layer 2

A

papillary layer and the reticular layer

27
Q

Holds many capillaries, lymph cells, nerve endings, sebaceous and sweat glands and hair follicles

A

Dermal layer

28
Q

This layer contains the sensory receptors and nerve endings that pick out stimuli from the environment.

A

Dermal layer

29
Q

It also supports hair follicles from which hair grows.

A

Dermal layer

30
Q

To prevent heat loss, the dermal blood vessels tighten.

A

Dermal layer

31
Q

Located here are the sweat and sebaceous glands.

A

Dermal layer

32
Q

secrete perspiration.

A

SWEAT GLANDS

33
Q

secrete oil.

A

SEBACEOUS GLANDS

34
Q

These glands have ducts that extend to the epidermis, with openings on the skin surface.

A

SEBACEOUS GLANDS , SWEAT GLANDS

35
Q

Also called the hypodermis

A

Subcutaneous Layer

36
Q

Found between the dermal layer and the inner organs

A

Subcutaneous Layer

37
Q

Consists of adipose or fatty tissue and some fibrous tissue

A

Subcutaneous Layer

38
Q

Fatty tissue protects inner organs and maintains body temperature

A

Subcutaneous Layer

39
Q

Blood vessels and nerves are present

A

Subcutaneous Layer

40
Q

grows out of the epidermis to cover parts of the body.

A

Hair

41
Q

what we see

A

Shaft

42
Q

lies below the surface of the skin.

A

Root

43
Q

Hair color is determined by the presence of

A

Melanin

44
Q

more than just a “crowning glory’.

A

Hair

45
Q

Its primary function is to add more protection to the skin from ultraviolet radiation.

A

Hair

46
Q

those that surround the eyes form a shield against dirt and other particles

A

The tiny hairs that line the nostrils and the external ears

47
Q

are plates made of hard keratin that cover the dorsal surface of the fingers and toes.

A

Nails

48
Q

is an area where keratin and other cells have mixed with air.

A

a lunula or whitish half-moon

49
Q

narrow band of epidermis that surrounds the base or bottom of nails

A

Cuticle