Chapter 6 - Integumentary System - Part 1 Flashcards Preview

Anatomy & Physiology 101 > Chapter 6 - Integumentary System - Part 1 > Flashcards

Flashcards in Chapter 6 - Integumentary System - Part 1 Deck (82)
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1

Two or more types of tissues grouped together and performing specialized functions is known as a...

Organ

2

The largest organ in the body is the...

Skin

3

The skin and its various accessory structures make up the...

Integumentary system

4

Play a role in initiating immune response by phagocytizing harmful microorganisms...

Epidermal dendritic cells (Langerhans cells)

5

The skin includes two distinct layers...

Epithelial tissue overlying connective tissue

6

Outer layer of skin, composed of stratified squamous epithelium...

Epidermis

7

Inner layer of skin, thick and made up of connective tissue...

Dermis

8

Basement membrane is anchored to the...

Dermis

9

Basement membrane separates the...

Dermis and epidermis

10

Beneath the dermis, where adipose and areolar tissue bind skin to underlying organs...

Subcutaneous layer

11

ost fibers of the subcutaneous layer run ____ to the surface of the skin.

Parallel

12

Insulates, helping to conserve body heat from the outside...

Adipose tissue of the subcutaneous layer

13

Contains the major blood vessels that supply the skin...

subcutaneous layer

14

Composed entirely of stratified squamous epithelium and therefore lacks blood vessels...

Epidermis

15

deepest layer of the epidermis, can grow and divide/receive nutrients from nearby blood vessels in dermis...

Stratum basale

16

Cell membranes of older skin cells...

Keratinocytes

17

Thicken and develop many desmosomes that fasten them to each other...

Keratinocytes

18

Keratinocytes begin to harden in a process called...

Keratinization

19

Outermost layer of the epidermis

Stratum corneum

20

Layer of epidermis that is in the thickened skin of the palms and soles...

Stratum lucidum

21

The stratum lucidum may be missing where the epidermis is...

Thin

22

Epidermis protective functions...

Shields the moist underlying tissues against excess water loss, mechanical injury, and the effects of harmful chemicals; keeps disease-causing microorganisms out

23

Melanocytes produce...

Melanin

24

Melanin provides...

Skin color

25

Melanin absorbs...

Ultraviolet radiation in sunlight

26

Melanocytes lie in the...

Stratum basale

27

Long pigment-containing cellular extensions transfer melanin granules in melanosomes into neighboring keratinocytes by a process called...

Cytocrine secretion

28

When the blood oxygen concentration is low, hemoglobin is dark red, and the skin appears bluish. This is a condition called...

Cyanosis

29

Blood in the dermal vessels adds...

Color to the skin

30

Increase the surface area where epidermal cells receive oxygen and nutrients from dermal capillaries...

Dermal papillae