Med Term - Ch 4 Flashcards by Vance Yarbrough

Define cutaneous

ku-TA-ne-us

Pertaining to the skin (from Latin cutis, meaning “skin”)

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Define derma

DER-mah

Skin (from Greek)

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Define dermis

DER-mis

The layer of the skin between the epidermis and the subcutaneous tissue; the true skin or corium

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Define epidermis

ep-ih-DER-mis

The outermost layer of the skin (from epi-, meaning “upon or over” and derm, meaning “skin”)

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Define hair

har

A thread-like keratinized outgrowth from the skin (root: trich/o)

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Define hair

har

A thread-like keratinized outgrowth from the skin (root: trich/o)

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Define hair follicle

FOL-ih-kl

The sheath in which a hair develops

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Define integumentary system

in-teg-u-MEN-tah-re

The skin and its associated glands, hair, and nails

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Define keratin

KER-ah-tin

A protein that thickens and toughens the skin and makes up hair and nails (root: kerat/o)

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Define melanin

MEL-ah-nin

A dark pigment that gives color to the hair and skin and protects the skin against the sun’s radiation (root: melan/o)

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Define nail

nale

A plate-like keratinized outgrowth of the skin that covers the dorsal surface of the terminal phalanges (root: onych/o)

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Define sebaceous gland

se-BA-shus

A skin gland that produces sebum; usually associated with a hair follicle (root: seb/o)

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Define sebum

SE-bum

A fatty secretion of the sebaceous glands that lubricates the hair and skin (root: seb/o)

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Define skin

The tissue that covers the body; the integument (roots: derm/o, dermat/o)

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Define subcutaneous layer

sub-ku-TA-ne-us

The layer of tissue beneath the skin; also called the hypodermis

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Define sweat gland

swet

A gland that releases a watery fluid (perspiration) to the skin surface in order to cool the body. Certain sweat glands, located mainly in the armpits and groin area, release secretions with some cellular material in response to stress. A sudoriferous (su-dor-IF-er-us) gland. (root: hidr/o)

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Roots pertaining to the skin and associated structures:

Derm/o, Dermat/o

Meaning: Skin

Example: Dermabrasion

Definition of: Surgical procedure used to resurface the skin and remove imperfections

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Roots pertaining to the skin and associated structures:

Kerat/o

Meaning: Keratin, Horny layer of the skin.

Example: Keratinous (keh-RAT-in-nus

Definition of: Containing keratin, Horny

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Roots pertaining to the skin and associated structures:

Melan/o

Meaning: Dark Black, Melanin

Example: Melanosome (MEL-ah-no-some)

Definition of: A small cellular body that produces melanin.

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Roots pertaining to the skin and associated structures:

Hidr/o

Meaning: Sweat, Perspiration

Example: Anhidrous

Definition of: Absence of sweating

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Roots pertaining to the skin and associated structures:

Seb/o

Meaning: Sebum, Sebaceous gland

Example: Seborrhea (Seborrheic)

Definition of: Excess slow of sebum

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Roots pertaining to the skin and associated structures:

Trick/o

Meaning: Hair

Example: Trichomycosis

Definition of: Fungal infection of the hair.

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Roots pertaining to the skin and associated structures:

Onych/o

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Meaning: Nail

Example: Onychia (o-NIK-e-ah)

Definition of: Inflammation of the nail and nail bed (Note: not an -itis ending)

Types of Skin Lesions:

bulla
BUL-ah

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raised, fluid-filled lesion larger than a vesicle (plural: bullae)

Types of Skin Lesions: fissure FISH-ure

crack or break in the skin

Types of Skin Lesions: macule MAK-ule

flat, colored spot less than 1 cm in size. A larger spot is called a patch

Types of Skin Lesions: nodule NOD-ule

solid, raised lesion larger than a papule; often indicative of systemic disease

Types of Skin Lesions: papule PAP-ule

firm, circular, raised surface lesion less than 1 cm in size, such as a pimple

Types of Skin Lesions: plaque plak

superficial, flat, or slightly raised differentiated patch more than 1 cm in diameter

Types of Skin Lesions: pustule PUS-tule

raised pus-filled lesion; often in a hair follicle or sweat pore

Types of Skin Lesions: ulcer UL-ser

lesion resulting from destruction of the skin and perhaps subcutaneous tissue

Types of Skin Lesions: vesicle VES-ih-kl

fluid-filled, raised lesion less than 5 mm in size; a blister or bleb

Types of Skin Lesions: wheal wele

smooth, rounded, slightly raised area often associated with itching; seen in urticaria (hives), such as that resulting from allergy

Define atopic dermatitis | ah-TOP-ik der-mah-TI-tis

Hereditary, allergic, chronic skin inflammation with pruritus (itching); eczema

Define basal cell carcinoma | BA-sal

An epithelial tumor that rarely metastasizes and has a high cure rate with surgical removal

Define cicatrization | sik-ah-trih-ZA-shun

The process of scar formation; a scar is a cicatrix (SIK-ah-triks)

Define debridement | da-brede-MON

Removal of dead or damaged tissue, as from a wound

Define dehiscence | de-HIS-ens

Splitting or bursting, as when the layers of a wound separate

Define dermatitis | der-mah-TI-tis

Inflammation of the skin, often associated with redness and itching; may be caused by allergy, irritants (contact dermatitis), or a variety of diseases.

Define dermatology | der-mah-TOL-o-je

Study of the skin and diseases of the skin

Define dermatome | DER-mah-tome

Instrument for cutting thin skin sections for grafting

Define eczema | EK-ze-mah

A general term for skin inflammation with redness, lesions, and itching; atopic dermatitis

Define erythema | er-ih-THE-mah

Diffuse redness of the skin

Define escharotomy | es-kar-OT-o-me

Removal of scab tissue resulting from burns or other skin injuries; a scab or crust is an eschar (ES-kar)

Define evisceration | e-vis-er-A-shun

Protrusion of internal organs (viscera) through an opening, as through a wound

Define exudate | EKS-u-date

Material, which may include fluid, cells, pus, or blood, that escapes from damaged tissue

Define Kaposi sarcoma | KAP-o-se

Cancerous lesion of the skin and other tissues seen most often in patients with AIDS

Define keloid | KE-loyd

A raised, thickened scar caused by tissue overgrowth during scar formation

Define lupus erythematosus (LE) | LU-pus er-ih-the-mah-TO-sis

A chronic, inflammatory, autoimmune disease of connective tissue that often involves the skin; types include the more widespread systemic lupus erythematosus (SLE) and a discoid form (DLE) that involves only the skin

Define melanoma | mel-ah-NO-mah

A metastasizing pigmented skin tumor that arises from melanocytes; malignant melanoma

Define pemphigus | PEM-fih-gus

An autoimmune disease of the skin characterized by sudden, intermittent formation of bullae (blisters); may be fatal if untreated

Define pressure ulcer

An ulcer caused by pressure to an area of the body, as from a bed or chair; decubitus (de-KU-bih-tus) ulcer, bedsore, pressure sore

Define pruritus | pru-RI-tus

Severe itching

Define psoriasis | so-RI-ah-sis

A chronic hereditary dermatitis with red lesions covered by silvery scales

Define rule of nines

A method for estimating the extent of body surface area involved in a burn by assigning percentages in multiples of nine to various body regions

Define scleroderma | sklere-o-DER-mah

A chronic disease that is characterized by thickening and tightening of the skin and that often involves internal organs in a form called progressive systemic sclerosis (PSS)

Define squamous cell carcinoma | SKWA-mus

An epidermal cancer that may invade deeper tissues but tends not to metastasize

Med Term - Ch 4 Flashcards

(57 cards)