ALLH 1013 (Module 2 Integumentary system)

Composition of the Integumentary system

Skin, glands, hair, nails

Integumentary system functions

Protective covering agains infections, water loss, and damage from ultraviolet light

Temperature regulation

Synthesis of vitamin D

Skin (combining forms and layers)

derm/o, dermat/o, cutane/e

Skin layers: epidermis, dermis, hypodermis/subcutaneous layer

Epidermis

Keratin (kerat/o), melanin, hair (trich/o), nails (onych/o, ungu/o), sebaceous glands (seb/o), sudoriferous glands (hidr/o)

Dermis

blood vessels, nerve endings, hair follicles, sebaceous glands (sebac/o), sudoriferious glands (hidr/o)

aden/o

gland

rhytid/o

wrinkle

scler/o

hard/hardening or sclera (white of eyes)

Strept/o

twisted chains (streptococcus bacteria)

myc/o

fungus

phag/o

eat/swallow

xer/o

dry

epi

above, upon, on top of

hyper

above normal, excessive

hypo

below normal, deficient

intra

within, inside

para

beside, near, abnormal

per

through, throughout

sub

below, under

trans

across, through

ectomy

surgical removal

itis

inflammation

osis

abnormal condition

malacia

softening

plasty

surgical repair or reshaping

rrhea

flow or discharge

Common bacterial skin infections

carbuncle, cellulitis, furuncle, impetigo, MRSA infection paronychia

Common fungal skin infections

candidiasis, tinea

Common parasite skin infections

scabies, pediculosis

Common viral skin infections

fever blister (herpes simplex), shingles (herpes zoster)

Surgical terms built from word parts

dermatoplasty, rhytidectomy

Signs and symptoms

erythroderma, xerosis, hypertrichosis

Descriptive terms

hypodermic, keratogenic, percutaneous, subungual

Common skin lesions

cyst, nodule, pustule, wheal, macule, papule, vesicle

Abbreviations

HA-MRSA

FTSG

I&D

SLE

subcut

TD