Chapter 5 Med Term

Front 1

Integumentary System

Back 1

The skin or the largest organ in the body.

Front 2

Synthesizes

Back 2

Produces vitamin D when exposed to light.

Front 3

Epidermis

Back 3

Outer layer that is mostly thin.

Front 4

Important fuctions of the skin:

Back 4

Protecting the body against UV rays, regulating body temp, and preventing dehydration.

Front 5

Strata

Back 5

Sublayers of the epidermis.

Front 6

Stratum corneum and basal layer

Back 6

Deepest layer and most important.

Front 7

Stratum corneum

Back 7

Composed of dead flat cells that lack a blood supply and sensory receptors.

Front 8

Basal layer

Back 8

Only layer of the epidermis that is composed of living cells where new cells are formed.

Front 9

Synthesize

Back 9

To produce by synthesis.

Front 10

Keratin

Back 10

Hard protein material.

Front 11

Melanocytes

Back 11

Special cells that produce a black pigment called melanin

Front 12

Melanin

Back 12

Provides a protective barrier from the damaging effects of the sun's UV.

Front 13

Albino

Back 13

Individual who cannot produce melanin has a marked deficiency of pigment in the eyes, hair, and skin.

Front 14

Dermis

Back 14

Second layer of skin also called corium. Lies beneath the epidermis and is composed of living tissues.

Front 15

Sebaceous

Back 15

Oil glands.

Front 16

Sudoriferous

Back 16

Sweat glands.

Front 17

Subcutaneous layer

Back 17

Called hypodermis binds the dermis to underlying structures.

Front 18

Adipose

Back 18

Fat tissue.

Front 19

Homeostasis

Back 19

Same, alike, standing still.

Front 20

Exocrine glands

Back 20

Secrete substances through ducts to an outer surface of the body rather than directly into the bloodstream.

Front 21

Axillae

Back 21

Armpits

Front 22

Sebum

Back 22

Oily secretion.

Front 23

Ductules

Back 23

Ducts.

Front 24

Androgens

Back 24

Regulate production and secretion of sebum.

Front 25

Hair shaft

Back 25

Part that is embedded in the dermis is the hair root.

Front 26

Hair follicle

Back 26

Root, together with its covering.

Front 27

Papilla

Back 27

Loop of capillaries enclosed in a covering.

Front 28

Alopecia

Back 28

Baldness

Front 29

Nails

Back 29

Protect the tips of the fingers and toes from bruises and injuries.

Front 30

Nail root

Back 30

Composed of keratinized stratified squamous epithelial cells producing a very tough covering.

Front 31

Nail bed

Back 31

Layer of epithelium.

Front 32

Nail body

Back 32

Appears pink because of the underlying vascular tissue.

Front 33

Lunula

Back 33

Half-moon-shaped area is the region where new growth occurs.
Has whitish appearance because the vascular tissue underneath does not show through.