Chapter 5 Integumentary System Flashcards
Abrasion
Scraping or rubbing away of skin
Abscess
A localized collection of pus in any part of the body
Albino
An individual with deficiency of pigment in the eyes, hair, and skin
Alopecia
Partial or complete loss of hair
Amputation
Surgical removal of a part of a body or limb
Basal Layer
The deepest of the five layers of the epidermis
Blackhead
An open comedo, caused by an accumulation of keratin and sebum within the opening of a follicle
Blister
A small thin-walled skin lesion containing clear fluid
Boil
Localized pus-producing infection originating deep in a hair follicle
Bruise
A bluish-black discoloration of an area of skin caused by injury to the area
Bulla
A large blister
Carbuncle
A circumscribed inflammation of the skin and deeper tissues that contain pus, which eventually discharges to the skin surface
Cellulitis
A diffuse infection of the skin and subcutaneous tissue
Cerumen
Ear wax
Ceruminous Gland
A modified sweat gland the lubricates the skin of the ear canal with a yellowish-brown waxy substance called cerumen (earwax)
Cicatrix
A scar; the pale firm tissue that forms in the healing of a wound
Circumscribed
Confined to a limited space or well-defined area (as if a circle was drawn around it)
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
Contusion
An injury to a part of the body without a break in the skin
Corium
The dermis; the layer of skin just under the epidermis
Cryosurgery
A noninvasive treatment that uses subfreezing temperatures to freeze and destroy the tissue
Curettage
The process of scraping material from the wall of a cavity or other surface
Cutaneous Membrane
The skin
Cuticle
A fold of skin that covers the root of the fingernail or toenail
Cyanosis
A condition of a bluish discoloration of the skin
Cyst
A closed sac or pouch in or within the skin that contains fluid
Debridement
Removal of debris, foreign objects, and damaged or necrotic tissue from a wound in order to prevent infection
Dermatitis
Inflammation of the skin
Dermatologist
A physician who specializes in the treatment of diseases and disorders of the skin
Dermatology
The study of the skin
Dermis
The layer of skin immediately beneath the epidermis; the corium
Diaphoresis
The secretion of sweat
Ecchymosis
A bluish-black discoloration of an area of the skin or mucus membrane caused by an escape of blood into the tissue
Electrodesiccation
A technique that uses an electrical spark to burn and destroy tissue
Epidermis
The outermost layer of the skin
Epidermoid cyst
A cyst filled with a cheesy material composed of sebum and epithelial debris that formed in the duct of a sebaceous gland
Epithelium
The tissue that covers the internal and external surfaces of the body
Erythema
Redness of the skin due to capillary dilation (sunburns)
Erythremia
An abnormal increase in the number of red blood cells; polycythemia vera
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 sunburn
Fissure
A cracklike sore or groove in the skin or mucus membrane
Fistula
An abnormal passageway between two tubular organs, or from an organ to the body surface
Furuncle
A localized pus-producing infection originating deep is a hair follicle
Gangrene
Death of a tissue
Hair Follicle
The tiny tube within the dermis that contains the root of a hair shaft
Hair Root
The portion of a strand of hair that is embedded in the hair follicle
Hair Shaft
The visible part of the hair
Hemangioma
A benign tumor the consists of a mass of blood vessels and has a reddish-purple color
Heparin
A natural anticoagulant substance produced by the body tissue
Hirsutism
Excessive body hair in an adult male distribution pattern, occurring in women
Histamine
A substance that is released in allergic inflammatory reactions
Histiocyte
A large phagocyte cell (cell that ingests microorganisms, other cells, and foreign particles)
Hives
Slightly elevated lesions of the skin that are paler in the center than it’s surrounding edges
Hydrocele
A collection of fluid located in the area of the scrotal sac in the male
Ichthyosis
An inherited dermatological condition in which the skin is dry, hardened, and fissured (resembling scales)
Integument
The skin
Integumentary system
The body system consisting of the skin, hair, nails, sweat glands, and sebaceous gland
Keratin
A hard fibrous protein found in 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