Medical Terminology Integumentary System

Skin, Hair and hair follicles, Nails, Oil glands, Sweat glands, Sensory receptors

What are the organs in the integumentary system?

epidermis

the enervated and outer most layer of the skin that is shed and constantly replaced from microorganisms and dehydration

keratinocytes

superficial layers of dead epidermis cells

melanocytes

cells that are filled with melanin that protect from UV radiation located in the stratum basal

tyrosinase

enzyme that helps stimulate melanin when exposed to sunlight

dermis 

The deep layer of the skin, thicker than the epidermis, composed of connective tissue with collagen and elastic fibers

Glues the dermis into a cohesive unit with   thick tough, interwoven fibers

what is the function of collagen in the skin?

Gives the skin its ability to stretch and retract

what is the function of elastin in skin?

Protection & insulation

Camouflage

Tactile sense

what is the function of hair?

hair shaft

the superficial portion of the hair above the   skin

hair root

the portion of the hair below the skin

hair follicle

Supportive sheath of epithelial cells, surrounds most of the hair root

hair bulb

the enlarged base of the root

hair papilla

an indentation in the bulb

Free edge, Nail body, Lunula, nail root, nail matrix, and cuticle

what is the anatomy of nail?

nail matrix

the germinating layer at the base of the root

Sebaceous glands

Oil glands, that lubricate the skin and hair

sebum

oily fluid that is a mixture of lipids, salts, water, cholesterol

sweat glands

Produce a watery secretion called   perspiration to help cool body, regulate body temp

Abrasion

a skin wound caused by scraping

cellulite

uneven skin surface caused by fat deposition

Onychocryptosis

an ingrown nail

Onychomycosis

a fungal infection of the nails

Pediculosis

a lice infestation of the hair and skin 

xeroderma

abnormally dry skin

Dermatoautoplasty

Surgical repair using a persons own skin   for a skin graft

Hypodermic 

involving the subcutaneous area of the skin

Rhytidectomy

Excision of wrinkles 

aut/o

self

cutane/o

skin

cyan/o

blue

kerat/o

hard

onych/o

nail

seb/o

oil

subcutaneous layer

connective tissue that binds the skin to the muscles

abscess

elevation in the skin containing a cavity 

cicatrix

scar tissue

comedo

pimple

contusion

bruise

edema

fluid accumulation 

erythema

redness of the skin

fissure

narrow break in skin

furuncle

abscess associated with the skin

induration

process of becoming hard 

macule

little flat spot on the skin

nevus

mole

petechiae

small red or purple dots

pruritus

itchy skin

urticaria

hives, small fluid filled elevations

verruca

wart, thickened epidermis

wheal

white center and red perimeter itchy elevation of the skin

chym/o

juice 

hidr/o

sweat

trich/o

hair

trich/o

hair

ecchymosis

condition of skin leaking blood vessels

impetigo

scabby eruption

pediculosis

lice

psoriasis

chronic condition with silvery skin patches

scabies

skin eruption by female itch mite (parasite) 

tinea

fungal skin infection (RW)

trichomycosis

fungal infection of hair