Chapter 3 Integuementary System

Front 1

What structures make up integumentary system

Back 1

Hair, skin, nails, sweat glands, sebaceous glands

Front 2

Two alternate words for skin

Back 2

Integument, cutaneous membrane

Front 3

Purposes of the skin

Back 3

Protecting, housing nerve receptors, secrete fluids, regulate body temperature

Front 4

Functions of the sensory receptors

Back 4

Detect temperature, pain, touch and pressure

Front 5

Two ways for the skin to make fluid

Back 5

Sebaceous and sweat glands

Front 6

Functions of the sebaceous glands

Back 6

Produce oil that lubricated the skin surface

Front 7

Functions of the sweat glands

Back 7

To cool the body by evaporating sweat

Front 8

One of the bodies main functions to conserve or expend heat is by doing what

Back 8

By constricting or allowing blood flow to the surface of the body

Front 9

What are the three layers of skin

Back 9

Epidermis, dermis, and subcutaneous layer

Front 10

Describe the epidermis

Back 10

The thin, outer membrane layer

Front 11

Describe the dermis

Back 11

Middle fibrous connective tissue layer

Front 12

Describe the subcutaneous layer

Back 12

Inner most layer containing fatty tissue

Front 13

What type of cell structure makes up the epidermis

Back 13

Stratified squamous epithelium

Front 14

Describe the stratified squamous epithelium

Back 14

Type of epithelial tissue consisting of flat scale like cells arranged in overlapping (stratified) layers

Front 15

The deepest layer in the epidermis

Back 15

Basal layer

Front 16

How does the epidermis regenerate

Back 16

Old cells starting at the basal layer get pushed closer to the surface of the skin

Front 17

What happens to the cells as they get closer to the epidermis

Back 17

They shrink, die, and become filled with a protein called keratin.

Front 18

Specialized cells in the basal layer

Back 18

Melanocytes

Front 19

What is the pigment name and color produced by melanocytes

Back 19

Melanin, black

Front 20

Function of melanin

Back 20

Protect against uv light

Front 21

Another name for the dermis

Back 21

Corium

Front 22

Fibers that Make up a portion of the dermis that are made from a strong, fibrous protein present in connective tissue

Back 22

Collagen fibers

Front 23

What does the dermis contain

Back 23

Hair follicles, sweat glands, sebaceous glands, blood vessels, lymph vessels, sensory receptors, nerves fibers and muscle fibers

Hint 23

8 parts

Front 24

Another name for subcutaneous layer of skin

Back 24

Hypodermis

Front 25

What is the subcutaneous layer composed of

Back 25

Fat cells called lipocytes

Front 26

Define lipocyte

Back 26

Fat cells that protect deeper tissue in the subcutaneous layer and also act as insulation

Front 27

Fiber that makes up hair

Back 27

Keratin

Front 28

Define hair root

Back 28

Deepest part of the hair located in the dermis

Front 29

Define hair shaft

Back 29

Structure composed of older keratinized cells that got pushed up from the hair root

Front 30

Hair follicle

Back 30

Place from which the hair grows

Front 31

Define arrector pilli

Back 31

Muscle attached to hair in the follicle that, when it contracts, makes the hair stand up

Front 32

Define nail body

Back 32

Flat plate of keratin that covers the ends of the fingers and toes

Front 33

Define nail bed

Back 33

Tissue where the nail body connects underneath on the fingers and toes

Front 34

Define nail root

Back 34

Place from which the nail grows from

Front 35

Define free edge

Back 35

Edge that is trimmed when nails become too long

Front 36

Lunula

Back 36

Light colored half moon at base of the nail

Front 37

Where are the sebaceous glands located

Back 37

In the dermis

Front 38

Define sebum

Back 38

Oil secreted from sebaceous glands that lubricate the skin and hair

Front 39

Where is sebum secreted

Back 39

Directly into follicles