Chapter 4 (3) - Integumentary System Flashcards Preview

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Flashcards in Chapter 4 (3) - Integumentary System Deck (91):
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Adipose

Fatty; Relating to fat

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Alopecia

Lack of hair in spots; Baldness

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Apocrine Glands

Glands that appear during and after puberty and secrete sweat, as from the armpits

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Ceruminous Glands

Glands that secrete a waxy substance on the surface of the ear

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Collagen

Major protein substance that is tough and flexible and that forms connective tissue in the body

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Cuticle

Thin band of epidermis that surrounds the edge of nails, except at the top

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Dermis

Layer of skin beneath the epidermis containing blood vessels, nerves, and some glands

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Diaphoresis

Excretion of fluid by the sweat glands; sweating

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Eccrine Glands

Sweat glands that occur all over the body, except where the apocrine glands occur

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Epidermis

Outer portion of the skin containing several strata

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Exocrine Glands

Glands that secrete through ducts toward the outside of the body

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Integument

Skin and all the elements that are contained within and arise from it

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Keratin

Hard, horny protein that forms nails and hair

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Lunula

Half-moon shaped area at the base of the nail plate

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Melanocyte

Cell in the epidermis that produces melanin

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Papillary Layer

Thin sublayer of the dermis containing small papillae (nipple-like masses)

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Pore

Opening or hole, particularly in the skin

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Reticular Layer

Bottom sublayer of the dermis containing reticula (network of structures with connective tissue between)

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Sebaceous Glands

Glands in the dermis that open to hair follicles and secrete sebum

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Sebum

Oily substance, usually secreted into the hair follicle

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Squamous Epithelium

Flat, scaly layer of cells that makes up the epidermis

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Stratified Squamous Epithelium

Layers of epithelial cells that make up the strata of epithelium of the epidermis

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Stratum

Layer of tissue, especially a layer of the skin

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Stratum Corneum

Top sublayer of the epidermis

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Striae

Stretch marks made in the collagen fibers of the dermis

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Subcutaneous Layer

Bottom layer of the skin containing fatty tissue

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Dermatology

Medical specialty that deals with diseases of the skin

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Exudate

Any fluid excreted out of tissue, especially fluid excreted out of an injury to the skin

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Mantoux Test

Test for tuberculosis in which a small dose of tuberculin is injected intradermally with a syringe

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PPD

Purified protein derivative of tuberculin

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Schick Test

Test for diphtheria

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Scratch Test

Test for allergic sensitivity in which a small amount of antigen is scratched onto the surface of the skin

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Abscess

Localized collection of pus and other exudate, usually accompanied by swelling and redness

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Acne

Inflammatory eruption of the skin, occurring in or near sebaceous glands on the face, neck, shoulder, or upper back

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Albinism

Rare, congenital condition causing either partial or total lack of pigmentation

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Alopecia Areata

Loss of hair in patches

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Basal Cell Carcinoma

Slow-growing cancer of the basal cells of the epidermis, usually a result of sun damage

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Bulla

Bubble-like blister on the surface of the skin

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Callus

Mass of hard skin that forms asa cover over broken skin on certain areas of the body, especially the feet and hands

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Candidiasis

Yeastlike fungus on the skin, caused by Candida; characterized by pruritus, white exudate, peeling, and easy bleeding; examples are thrush and diaper rash

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Carbuncle

Infected area of the skin producing pus and usually accompanied by fever

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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

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Chloasma

Group of fairly large, pigmented facial patches, often associated with pregnancy

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Comedo

Open hair follicle filled with bacteria and sebum; common in acne; blackhead

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Cyst

Abnormal sac containing fluid

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Decubitus Ulcer

Chronic Ulcer on skin over bony parts that are under constant pressure; pressure sore

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Dermatitis

Inflammation of the skin

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Ecchymosis

Purplish skin patch (bruise) caused by broken blood vessels beneath the surface

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Eczema

Severe inflammatory condition of the skin, usually of unknown cause

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Fissure

Deep slit in the skin

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Furuncle

Localized skin infection, usually in a hair follicle and containing pus; boil

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Gangrene

Death of an area of skin, usually caused by loss of blood supply to the area

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Herpes

An inflammatory skin disease caused by viruses of the family Herpesviridae

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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

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Herpes Simplex Virus Type 2

Herpes that recurs on the genitalia; can be easily transmitted from one person to another through sexual contact

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Herpes Zoster

Painful herpes that affects nerve roots; shingles

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Impetigo

A type of pyoderma

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Keloid

Thick scarring of the skin that forms after an injury or surgery

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Keratosis

Lesion on the epidermis containing keratin

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Leukoplakia

White patch of mucous membrane on the tongue or cheek

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Macule

Small, flat, noticeably colored spot on the skin

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Neoplasm

Abnormal tissue growth

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Nodule

Small knob of tissue

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Onychia

Onychititis

Inflammation of the nail

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Onychopathy

Disease of the nail

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Papule

Small, solid elevation on the skin

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Paronychia

Inflammation, with pus, of the fold surrounding the nail plate

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Pemphigus

Autoimmune disease that causes skin blistering

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Petechia

A tiny hemorrhage beneath the surface of the skin

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Pilonidal

Cyst containing hair, usually found at the lower end of the spinal column

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Plantar Wart

Wart on the sole of the foot

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Polyp

Bulging mass of tissue that projects outward from the skin surface

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Pruritus

Itching

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Psoriasis

Chronic skin condition accompanied by scaly lesions with extreme pruritus

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Purpura

Skin condition with extensive hemorrhages underneath the skin covering a wide area

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Pustule

Small elevation on the skin containing pus

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Pyoderma

Any inflammation of the skin that produces pus

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Rosacea

Vascular disease that causes blotchy, red parches on the skin, particularly on the nose and cheeks

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Rubella

Disease that causes a viral skin rash; German measles

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Scabies

Skin eruption caused by a mite burrowing into the skin

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Scleroderma

Thickening of the skin caused by an increase in collagen formation

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Sebaceous Cyst

Cyst containing yellow sebum

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Seborrhea

Overproduction of sebum by the sebaceous glands

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Shingles

Viral disease affecting peripheral nerves and caused by herpes zoster

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Squamous Cell Carcinoma

Cancer of the squamous epithelium

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Telangiectasia

A permanent dilation of the small blood vessels

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Tinea

Fungal infection; ringworm

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Ulcer

Open lesion, usully with superficial loss of tissue

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Varicella

Contagious skin disease, usually occurring during childhood, and often accompanied by the formation of pustules; chicken pox

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Vitiligo

Condition in which white patches appear on otherwise normally pigmented skin

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Whitehead

Closed comedo that does not contain the dark bacteria present in blackheads