Chapter 4 (3) - Integumentary System Flashcards
Alopecia
Lack of hair in spots; Baldness
Adipose
Fatty; Relating to fat
Apocrine Glands
Glands that appear during and after puberty and secrete sweat, as from the armpits
Ceruminous Glands
Glands that secrete a waxy substance on the surface of the ear
Collagen
Major protein substance that is tough and flexible and that forms connective tissue in the body
Cuticle
Thin band of epidermis that surrounds the edge of nails, except at the top
Dermis
Layer of skin beneath the epidermis containing blood vessels, nerves, and some glands
Diaphoresis
Excretion of fluid by the sweat glands; sweating
Eccrine Glands
Sweat glands that occur all over the body, except where the apocrine glands occur
Epidermis
Outer portion of the skin containing several strata
Exocrine Glands
Glands that secrete through ducts toward the outside of the body
Integument
Skin and all the elements that are contained within and arise from it
Keratin
Hard, horny protein that forms nails and hair
Lunula
Half-moon shaped area at the base of the nail plate
Melanocyte
Cell in the epidermis that produces melanin
Papillary Layer
Thin sublayer of the dermis containing small papillae (nipple-like masses)
Pore
Opening or hole, particularly in the skin
Reticular Layer
Bottom sublayer of the dermis containing reticula (network of structures with connective tissue between)
Sebaceous Glands
Glands in the dermis that open to hair follicles and secrete sebum
Sebum
Oily substance, usually secreted into the hair follicle
Squamous Epithelium
Flat, scaly layer of cells that makes up the epidermis
Stratified Squamous Epithelium
Layers of epithelial cells that make up the strata of epithelium of the epidermis
Stratum
Layer of tissue, especially a layer of the skin
Stratum Corneum
Top sublayer of the epidermis
Striae
Stretch marks made in the collagen fibers of the dermis
Subcutaneous Layer
Bottom layer of the skin containing fatty tissue
Dermatology
Medical specialty that deals with diseases of the skin
Exudate
Any fluid excreted out of tissue, especially fluid excreted out of an injury to the skin
Mantoux Test
Test for tuberculosis in which a small dose of tuberculin is injected intradermally with a syringe
PPD
Purified protein derivative of tuberculin
Schick Test
Test for diphtheria
Scratch Test
Test for allergic sensitivity in which a small amount of antigen is scratched onto the surface of the skin
Abscess
Localized collection of pus and other exudate, usually accompanied by swelling and redness
Acne
Inflammatory eruption of the skin, occurring in or near sebaceous glands on the face, neck, shoulder, or upper back
Albinism
Rare, congenital condition causing either partial or total lack of pigmentation
Alopecia Areata
Loss of hair in patches
Basal Cell Carcinoma
Slow-growing cancer of the basal cells of the epidermis, usually a result of sun damage
Bulla
Bubble-like blister on the surface of the skin
Callus
Mass of hard skin that forms asa cover over broken skin on certain areas of the body, especially the feet and hands
Candidiasis
Yeastlike fungus on the skin, caused by Candida; characterized by pruritus, white exudate, peeling, and easy bleeding; examples are thrush and diaper rash
Carbuncle
Infected area of the skin producing pus and usually accompanied by fever
Cellulitis
Severe inflammation of the dermis and subcutaneous portions of the skin, usually caused by an infection that enters the skin through and opening, as a wound characterized by local heat, redness, pain, and swelling
Chloasma
Group of fairly large, pigmented facial patches, often associated with pregnancy
Comedo
Open hair follicle filled with bacteria and sebum; common in acne; blackhead
Cyst
Abnormal sac containing fluid
Decubitus Ulcer
Chronic Ulcer on skin over bony parts that are under constant pressure; pressure sore
Dermatitis
Inflammation of the skin
Ecchymosis
Purplish skin patch (bruise) caused by broken blood vessels beneath the surface
Eczema
Severe inflammatory condition of the skin, usually of unknown cause
Fissure
Deep slit in the skin
Furuncle
Localized skin infection, usually in a hair follicle and containing pus; boil
Gangrene
Death of an area of skin, usually caused by loss of blood supply to the area
Herpes
An inflammatory skin disease caused by viruses of the family Herpesviridae
Herpes Simplex Virus Type 1
Herpes the recurs on the lips and around the area of the mouth, usually during viral illnesses or states of stress
Herpes Simplex Virus Type 2
Herpes that recurs on the genitalia; can be easily transmitted from one person to another through sexual contact
Herpes Zoster
Painful herpes that affects nerve roots; shingles
Impetigo
A type of pyoderma
Keloid
Thick scarring of the skin that forms after an injury or surgery
Keratosis
Lesion on the epidermis containing keratin
Leukoplakia
White patch of mucous membrane on the tongue or cheek
Macule
Small, flat, noticeably colored spot on the skin
Neoplasm
Abnormal tissue growth
Nodule
Small knob of tissue
Onychia
Onychititis
Inflammation of the nail
Onychopathy
Disease of the nail
Papule
Small, solid elevation on the skin
Paronychia
Inflammation, with pus, of the fold surrounding the nail plate
Pemphigus
Autoimmune disease that causes skin blistering
Petechia
A tiny hemorrhage beneath the surface of the skin
Pilonidal
Cyst containing hair, usually found at the lower end of the spinal column
Plantar Wart
Wart on the sole of the foot
Polyp
Bulging mass of tissue that projects outward from the skin surface
Pruritus
Itching
Psoriasis
Chronic skin condition accompanied by scaly lesions with extreme pruritus
Purpura
Skin condition with extensive hemorrhages underneath the skin covering a wide area
Pustule
Small elevation on the skin containing pus
Pyoderma
Any inflammation of the skin that produces pus
Rosacea
Vascular disease that causes blotchy, red parches on the skin, particularly on the nose and cheeks
Rubella
Disease that causes a viral skin rash; German measles
Scabies
Skin eruption caused by a mite burrowing into the skin
Scleroderma
Thickening of the skin caused by an increase in collagen formation
Sebaceous Cyst
Cyst containing yellow sebum
Seborrhea
Overproduction of sebum by the sebaceous glands
Shingles
Viral disease affecting peripheral nerves and caused by herpes zoster
Squamous Cell Carcinoma
Cancer of the squamous epithelium
Telangiectasia
A permanent dilation of the small blood vessels
Tinea
Fungal infection; ringworm
Ulcer
Open lesion, usully with superficial loss of tissue
Varicella
Contagious skin disease, usually occurring during childhood, and often accompanied by the formation of pustules; chicken pox
Vitiligo
Condition in which white patches appear on otherwise normally pigmented skin
Whitehead
Closed comedo that does not contain the dark bacteria present in blackheads