Chapter 5 Spelling Words Flashcards
abrasion
A scraping or rubbing away of skin or mucous membrane as a result of friction to the area
abscess
a localized collection of pus in any part of the body
alopecia
partial or complete loss of hair
amputation
the surgical removal of a part of the body or a limb or a part of a limb; treatment for gangrene
basal layer
the deepest of the five layers of the epidermis
bulla
a large blister
carbuncle
a cirumscribed inflammation of the skin and deeper tissues that contains pus, which eventually discharges to the skin surface
cellulitis
a diffuse avute infection of the sin an subcutaneous tissue
cerumen
ear wax
ceruminous gland
a modified sweat glad that lubricates the skin of the ear canal with a yellowish-brown waxy substance called cerumen
cicatrix
a scar; the pale, firm tissue that forms in the healing of a wound
collagen
the protein substance that forms the glistening inelastic fibers of connective tissue such as tendons, ligaments and fascia
comedo
a typical lesion of acne vulgaris, caused by accumulation of keratin and sebum within the opening of a hair follicle, closed or open versions
contusion
an injury to a part of the body without a break in the skin
corium
the dermis
cryosurgery
using subfreezing temperature (liquid nitrogen) to freeze and destroy the tissue
curettage
the process of scraping material from the wall of a cavity or other surface for the purpose of removing abnormal tissue or unwanted material
cyanosis
a condition of bluish discoloration of the skin
cyst
a closed sac or pouch in or within the skin that contains fluid, semifluid or soled material
debridement
removal of decries, foreign objects, and damaged or necrotic tissue from a wound in order to prevent infection and to promote healing
dermatitis
inflammation of the skin
dermatology
study of the skin
dermis
the layer of skin immediately beneath the epidermis (corium)
diaphoresis
the secretion of sweat
ecchymosis
a bluish-black discoloration of an area of the skin or mucous membrane caused by an escape of blood into the tissues as a result of injury to the area
electrodesiccation
a technique that uses an electrical spark to burn and destroy tissue
epidermis
the outermost layer of the skin
epithelium
the tissue that covers the internal and external surfaces of the body
erythema
redness of the skin due to capillary dilatation.
erythroderma
see erythema
excoriation
an injury to the surface of the skin caused by trauma, such as scratching or abrasions
exfoliation
peeling or sloughing off of tissue cells as in peeling of the skin after a severe burn
fissure
a crack-like sore or groove in the skin or mucous membrane
fistula
an abnormal passageway between two tubular organs or form an organ to the body surface
furuncle
a localized pus-producing infection originating deep in a hair follicle; a boil
gangrene
death of tissue, most often involving the extremities
hemangioma
a benign tumor that consist of a mass of blood vessels and has a reddish-purple color
heparin
a natural anticoagulant substance produced by the body tissues
hirsutism
excessive body hair in an adult male distribution pattern, occurring in women
histamine
a substance (found in all cells) that is released in allergic inflammatory reactions
histiocyte
macrophage; large phagocytic cell (the eater) occurring in the walls of blood vessels and loose connective tissue
hydrocele
a collection fo fluid located int he area of the scrotal sac in the male
ichthyosis
an inherited dermatological condition in which the skin is dry, hyperkeratotic (hardened) and fissured-resembling fish scales
integument
the skin
integumentary system
the body system consisting of the skin, hair, nails, sweat glands, and sebaceous glands
keratin
a hard fibrous protein found int the epidermis, hair, nails, enamel of the teeth, and horns of animals
keratolytic
an agent used to break down or loosen the horny (hardened) layer of the skin
laceration
a tear in the skin
lanugo
soft, very fine hair that covers the body of the developing fetus; this hairy coating is almost completely gone by birth
lesion
any visible damage tot eh tissues of the skin, such as a wound, sore, rash, or boil
lipocyte
a fat cell
lunula
the crescent-shaped lake area at the base of the fingernail or toenail
macule
a small, flat discoloration of the skin that is neither raised nor depressed
melanin
a black or dark pigment (produced by melanocytes in the epidermis) that contributes color to the skin and helps to filter ultraviolet light
melanocytes
cells that produce melanin
nodule
a small, circumscribed swelling protruding above the skin
onychomycosis
any fungal infection of the nails
onychophagia
the habit of biting nails
pachyderma
abnormal thickening of the skin
papule
a small, solid, circumscribed elevation on the skin
pediculosis
infestation with lice
petechia
small, pinpoint hemorrhages of the skin
polyp
a small, stalklike growth that protrudes upward or outward from a mucous membrane surface, resembling a mushroom stalk
pruritus
itching
purpura
a group of bleeding disorders characterized by bleeding into the skin and mucous membranes
pustule
a small elevation of the skin filled with pus; a small abscess
sebaceous cyst
a cyst filled with cheesy material consisting of sebum and epithelial debris that has formed in the duct of a sebaceous gland
seborrhea
excessive secretion of sebum
sebum
the oil secretions of the sebaceous glands
squamous epithelium
the single layer of flattened platelike cells that cover internal and external body surfaces
stratified
layered
stratum
a uniformly thick sheet or later of cells
stratum basale
the layer of skin where new cells are continually being reproduced pushing older cells toward the outermost surface of the skin
stratum corneum
the outermost layer of the epidermis (consisting of dead cells that have converted to keratin) which continuously sloughs off or flakes away
subcutaneous tissue
the fatty layer of tissue lacerated beneath the dermis
subungual hematoma
a collection of flood beneath a nail bed, usually the result of trauma
sudoriferous gland
a sweat gland
ulcer
a circumscribed, open sore or lesion of the skin that is accompanied by inflammation
urticaria
a reaction of the skin in which there is an appearance of smooth, slightly elevated patches (wheals) that are redder or paler than the surrounding skin and often accompanied by sever itching
vesicle
a smal thin-walled skin lesion containing clear fluid; a blister
vitiligo
a skin disorder characterized by non pigmented white patches of skin of varying sides that are surrounded by skin with normal pigmentation