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Integumentary System 5
Integumentary System
78
Medical
Graduate
06/02/2011

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Term
abrasion
Definition
A scraping or rubbing away of skin or mucous membrane as a result of friction to
Term
abscess
Definition
A localized collection of pus in any part of the body.
Term
albino
Definition
An individual with a marked deficiency of pigment in the eyes, hair, and skin.
Term
alopecia
Definition
Partial or complete loss of hair. Alopecia may result from normal aging, etc
Term
amputation
Definition
The surgical removal of a part of the body or a limb or a part of a limb.
Term
basal layer
Definition
The deepest of the five layers of the skin
Term
bedsore
Definition
An inflammation or sore in the skin over a bony prominence, pressue ulcer
Term
blackhead
Definition
caused by accumulation of keratin and sebum within the opening of a hair follicle.
Term
blister
Definition
A small, thin-walled, skin lesion containing clear fluid
Term
boil
Definition
A localized pus-producing infection originating deep in a hair follicle
Term
furuncle
Definition
A localized pus-producing (pyogenic) infection originating deep in follicle
Term
gangrene
Definition
death of tissue, usually in extremities
Term
hair follicle
Definition
The tiny tube within the dermis that contains the root of a hair shaft
Term
hair root
Definition
The portion of a strand of hair that is embedded in the hair follicle.
Term
hair shaft
Definition
The visible part of the hair.
Term
hemangioma
Definition
A benign tumor of blood vessels and reddish-purple in color.
Term
heparin
Definition
A natural anticoagulant substance produced by the body tissues
Term
hirsutism
Definition
Excessive body hair in an adult male distribution pattern, occurring in women
Term
histamine
Definition
A substance, found in cells, that is released in allergic, inflammatory reactions.
Term
histiocyte
Definition
phagocytic cell occurring in the walls of blood vessels and loose connective tissue.
Term
hives
Definition
slightly elevated lesion of the skin that is paler in the center than its surrounding edges
Term
hydrocele
Definition
A collection of fluid located in the area of the male scrotal sac.
Term
ichthyosis
Definition
An inherited dermatological condition in which the skin is dry, hyperkeratotic, resembling fish scales.
Term
integument
Definition
skin
Term
integumentary system
Definition
system of the skin, hair, nails, sweat glands, and sebaceous glands.
Term
keratin
Definition
A hard, fibrous protein that is found in the epidermis, hair, nails, enamel of teeth
Term
keratolytic
Definition
characteristic of an agent used to break down or loosen the horny layer of the skin.
Term
laceration
Definition
tear in the skin
Term
lanugo
Definition
Soft, very fine hair that covers the body of the developing fetus
Term
lesion
Definition
Any visible damage to the tissues of the skin, such as a wound, sore,
Term
lipocyte
Definition
fat cell
Term
lunula
Definition
The crescent-shaped pale area at the base of the fingernail or toenail.
Term
macrophage
Definition
phagocytic cell occurring in the walls of blood vessels and loose connective tissue.
Term
macule
Definition
A small, flat discoloration of the skin that is neither raised nor depressed
Term
mast cell
Definition
releases substances in response to injury or infectioin
Term
melanin
Definition
black pigment, that contributes color to the skin and helps to filter uv light
Term
melanocyte
Definition
makes melanin
Term
nail body
Definition
The visible part of the nail.
Term
nodule
Definition
A small, circumscribed swelling protruding above the skin
Term
oil gland
Definition
sabaceous gland
Term
onycholysis
Definition
Separation of a fingernail from its bed, beginning at the free margin.
Term
onychomycosis
Definition
any fungal infection of the nail
Term
onychophagia
Definition
habit of biting the nails
Term
pachyderma
Definition
abnormal thickening of the skin
Term
papule
Definition
A small, solid, circumscribed elevation on the skin.
Term
paronychia
Definition
inflammation in the fold of skin surrounding the fingernail
Term
pediculosis
Definition
infestation with lice
Term
petechiae
Definition
small pinpoint hemorrhages of the skin
Term
pimple
Definition
A papule or pustule of the skin.
Term
polyp
Definition
A small, stalklike growth that protrudes upward or outward from a mucous membrane
Term
pores
Definition
Openings of the skin, water, salts, and fatty substances are excreted
Term
pruritus
Definition
itching
Term
purpura
Definition
a group of bleeding disorders of the skin
Term
pustule
Definition
a small elevation of skin filled with puss
Term
scales
Definition
Thin flakes of hardened epithelium that are shed from the epidermis.
Term
sebaceous cyst
Definition
a cyst filled with sebum and debris in the sabaceous gland
Term
seborrhea
Definition
excessive secretion of sebum resulting in oilyness or dry scales
Term
sebum
Definition
The oily secretions of the sebaceous glands.
Term
skin tag
Definition
A small brownish- or flesh-colored outgrowth of skin occurring usually on neck
Term
squamous epithelium
Definition
The single layer of flattened platelike cells that cover surfaces
Term
stratified
Definition
layered
Term
stratum
Definition
A uniformly thick sheet or layer of cells.
Term
stratum basale
Definition
The layer of skin where new cells are continually being reproduced
Term
stratum corneum
Definition
The outermost layer of skin, which continually sloughs off or flakes away;
Term
stretch marks
Definition
Linear tears in the dermis which result from overstretching caused by rapid growth
Term
subcutaneous tissue
Definition
The fatty layer of tissue located beneath the dermis.
Term
subungual hematoma
Definition
collection of blood beneath a nail bed
Term
sudoriferous gland
Definition
sweat gland
Term
sweat
Definition
The clear, watery fluid produced by the sweat glands
Term
sweat gland
Definition
Structure in the dermis that produces sweat, carries waste to skin
Term
ulcer
Definition
A circumscribed, open sore of the skin that is accompanied by inflammation
Term
urticaria
Definition
Reaction; elevated patches discolored skin that itches, hives
Term
vesicle
Definition
A small, thin-walled, skin lesion containing clear fluid; a blister
Term
vitiligo
Definition
A skin disorder characterized by nonpigmented white patches of skin
Term
wheal
Definition
hives
Term
white head
Definition
A closed comedo, caused by accumulation of keratin and sebum within the follicle
Term
xanthoderma
Definition
any yellow coloration of the skin
Term
xeroderma
Definition
chronic skin condition characterised by roughness and dryness
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