Integumentary System Flashcards Preview

Anatomy and Physiology > Integumentary System > Flashcards

Flashcards in Integumentary System Deck (70)
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1

Two or more types of tissues working together to perform a specialized function

organ

2

What is the largest organ in the body by weight?

skin

3

What makes up the integumentary system?

Skin and accessory organs

4

What are the functions of the integumentary system?

regulate body temperature, protective temperature, excrete wastes, slows water loss, houses sensory receptors

5

Close to the blood supply in the dermis, only stratum healthy enough to reproduce

stratum basale

6

What is the epidermis made of?

Stratified squamous epithelium

7

What does the epidermis lack?

blood vessels

8

How is the epidermis nourished?

blood vessels in dermis

9

Protects the underlying tissues and keep out disease-causing microorganisms

epidermis

10

Cells located in the epidermis that produces melanin

melanocytes

11

a dark pigment that provides color in skin

melanin

12

What do differences in skin color result from?

amount and size of melanin, genetics, UV rays, x-rays, diet

13

Cancer that arise from epithelial cells

cutaneous carcinomas

14

Cancer that arise from melanocytes

cutaneous melanomas

15

What is the most common skin cancer?

cutaneous carcinomas

16

Functions to bind the epidermis to underlying tissues

dermis

17

what is the dermis composed of?

Collagen and elastin fibers

18

What does the dermis contain?

blood vessels, nerves, hair follicles, glands, touch receptors

19

What is the subcutaneous layer composed of?

loose connective tissues and insulating adipose tissue

20

Binds the skin to underlying organs

subcutaneous layer

21

Protective coverings over the ends of fingers and toes

nails

22

what are nails composed of?

stratified squamous epithelium overlying the nail bed

23

what happens as new nail cells are produced?

old cells are pushed outward and get keratinized

24

what is the most active growing region of the nail root?

lunula

25

a structure extending from the epidermal surface into the dermis

hair follicle

26

where are hair follicles located?

dermis

27

Gland that softens and lubricates the skin and hair

sebaceous gland

28

an active inflammation of the sebaceous glands

acne

29

develop when a sebaceous gland is blocked by accumulated sebum

whitehead

30

develop when blocked material oxidizes and dries

blackheads