Chapter 8 Term

Abscess

Localized accumulation of pus

Albinism

Lack of pigment in hair, skin, and eyes

Alopecia

Hair loss

Bleb

Small blister

Bulla

Big blister

Cicatrix

Scar

Cyanosis

Bluish mucous membranes

Eccymosis

Bruise

Erythmia

Redness of the skin

Exanthema

Rash

Exfoliation

Shedding a horny layer of epidermis

Fissure

Crack or groove; erosive

Hyperthyroidosis

Excessive sweating

Hyperkeratosis

Overgrowth of horny layer of epidermis

Intradermal

Within the skin

Macula

Small discolored spot on the skin that can be seen but not felt; surface

Nodule

Small, visible mass protruding above the skin

Pruritis

Itching

Pallor

Paleness of the skin

Papule

Small, rounded elevation of the skin; surface

Purpura

Purple or red discoloration on the epidermis caused by a hemorrhage

Pustule

Pus collected in the hair follicle or pore; fluid filled

Scale

Epithelial cells on the epidermis or shed from it; surface

Subcutaneous

Beneath the skin

Acne

Inflammation of the skin caused by the plugging of sebaceous glands with the development of papules and pustules

Allergic dermatitis/atopy

Skin inflammation caused by an allergy

Contact dermatitis

Inflammation of the skin caused by contact with something the animal is allergic to

Decubitis ulcer

Skin lesions caused by pressure that results in defective circulation. Bed sores

Dermatitis

Skin inflammation

Dermatocellulitis

Inflammation of the skin and underlying tissues

Eczema

General term for acute or chronic dermatitis

Exfoliative dermatitis

Dermatitis with scaling, itching, loss of hair, and redness of skin

Frostbite

Tissue damage caused by exposure to extreme cold or chemicals with rapid freezing actions

Petechia

Pinpoint hemorrhage beneath the skin; mm’s or organ capsule

Seborrheic dermatitis

Chronic inflammatory dermatitis with yellowish, greasy scaling of skin. Can be with or without pruritus

Urticaria

Allergic skin reaction characterized by itching and hives

Wart

Virus caused, benign, small, tumor like epidermal growth

Wheal

Hives on the surface

Acute moist dermatitis

Superficial bacterial infection of skin caused by self-trauma, hot spot

Cellulitis

Inflammation, usually bacterial, involving loose SQ tissue

Cutaneous blowfly myiasis

Maggot infestation

Dermatomycosis

Fungal infection AKA ringworm

Flea bite dermatitis

Lesions caused by hypersensitivity to flea bites

Demodicosis

Infestation of demodex mange mites

Scabies

Infestation of sarcoptes scabei mange mite

Paronychia

Bacterial or viral inflammation of skin around nails or claws

Pediculosis

Lice infestation

Pyoderma

Any purulent skin disease

Dermatofibroma

Fibrous tumor of the skin

Lipoma

Benign fatty tumor

Malignant melanoma

Rapidly growing, often ulcerated mass with a tendency to metastasize, tumor cells may be pigmented

Mast cell tumor

Tumor of mast cells

Sebaceous cyst

Cyst of sebaceous gland plugged with sebum

Squamous cell carcinoma

Malignant tumor composed of squamous epithelial tissue

Excisional biopsy

Surgical incision to remove tissue of all or part of a lesion and surrounding normal appearing tissue

Punch biospy

Sample of tissue obtained with a punch tool

Biopsy

Removal of tissue for microscopic examination

Fungal culture

Crusts of lesions and plucked hair are dropped into a container of DTM and incubated to watch for media color change and growth

Intradermal tests

Allergy testing, allergens are injected ID and reaction is observed

Skin scrape

Scalpel blade is used to scrape skin. then is examined under a microscope to dx mange mites

Dermatophyte test medium

Test medium for funga, culture testing for ringworm