VT 101 Chapter 10 [Pathology] Integumentary System
Injury in which superficial layers of skin are scraped.
Localized collection of pus.
Skin inflammation caused by plugged sebaceous glands and comedone development from papules and pustules.
Common condition in cats in which acne develops on the chin and lip area.
Acute moist dermatitis
Bacterial skin disease that is worsened by licking and scratching; also called hot spot.
Hair loss resulting in hairless patches or complete lack of hair.
Normal hair loss due to various causes.
Hypersensitivity reaction in animals involving pruritus with secondary dermatitis; commonly called allergies or allergic dermatitis.
Increased response to an allergen.
A decreased response to an allergen.
Multiple contained skin elevations filled with fluid that are greater then 0.5 cm in diameter. Singular= bulla
tissue injury caused by heat, flame, electricity, chemicals, or radiation.
Cluster of furuncles.
Malignant neoplasm of epithelial tissue.
Inflammation of connective tissue.
Inflammation within a well-defined area.
Blackhead or build up of sebum and keratin in a pore. Plural = comedones.
Injury that does not break the skin; characterized by pain, swelling, and discoloration.
Collection of dried sebum and cell debris.
Inflammation of the skin.
Inflammation of the skin caused by touching an irritant.
Inflammation of the skin and connective tissue.
Abnormal skin condition caused by superfical fungus; also called dermatophytosis.
Superficial fungi that are found on the skin. i.e. ringworm
Abnormal skin condition. Plural = dermatosus.
Discoid lupus erythematosus
Canine autoimmune disease in which the bridge of the nose (and sometimes the face and lips) exhibit depigmentation, erythema, scaling, and erosions; abbreviated DLE; may have been called collie nose or solar dermatitis in the past.
Abnormal alteration in keratinization.
Purplish nonelevated patch of bleeding into the skin; also called a bruise; Plural = ecchymoses
Skin infection with shallow eruptions caused by a pox virus; also known as soremouth.
General term for inflammatory skin disease characterized by erythema, papules, vesicles, crusts, and scabs either alone or in combination.
Eosinophilic granuloma complex
Collective name for autoimmune lesion of eosinophilic ulcer, eosinophilic plaque, and linear granuloma found in cats and rarely in dogs.
Located on the lip and oral mucosa of cats. also called rodent ulcer.
Raised pruritic lesions on the ventral abdomen of cats.
Located in a line usually on the caudal aspect of the hindlimb of cats.
Pertaining to redness.
Abnormal redness of skin occurring over a widespread area.
Erythr/o: Erythem/o, Erythemat/o
Combining forms for red
Cutaneous rash caused by fever or disease. Singular = exanthem
Feline Miliary Dermatitis
Skin disease of cats in which multiple crusts and bumps are present predominantly on the dorsum; the disease can be associated with many causes.
Abnormal passage from an internal organ to the body surface or between two internal organs. Plural = fistulae
Flea Allergy Dermatitis
Inflammation of the skin caused by an allergic reaction to flea saliva; abbreviated FAD.
A substance that produces an allergic response.
Hoof disease that spreads from the interdigital skin to the deeper foot structures.
Tissue damage caused by extreme cold or contact with chemicals with extreme temperature (e.g. liquid nitrogen).
Localized skin infection in a gland or hair follicle; also called a boil.
The abnormal condition of persistent boils over a period of time.
Necrosis associated with loss of circulation.
Condition of dead tissue.
Pertaining to dead tissue.
Decay that produces a foul smell.
Small area of healing tissue.
Benign tumor composed of newly formed blood vessels.
Increased growth of the horny layer of skin; also called acanthokeratodermia.
Occupation and dwelling of a parasite on the external surface of tissue.
Live on the external surface; ecto- = means outside.
A wingless parasite insect; plural is lice.
An insect with a hard exoskeleton and paired, jointed legs.
A common term for skin disease caused by mites.
Sarcoptic and Demodectic
Two types of mange depending on the the type of mite.
Infestation by mite larvae that results in severe pruritus.
Infestation with ticks or mites.
Insect larvae found especially in dead or decaying tissue.
Infestation by fly larvae.
abnormal condition of epidermal overgrowth and thickening. Plural = keratoses.
Accidental cut into the skin.
Pathological change of tissue; used to describe abnormalities in many locations.
Benign growth of fat cells; also called fatty tumor; commonly seen in older dogs.
Flat, dicolored lesion less than 1 cm in diameter; also called macula.
Tumor or growth of pigmented skin cells.
Describes cancer of the pigmented skin cells.
Unpigmented malignant melanoma.
Small knot protruding above the skin.
Superficial fungal infection of the claw.
Benign epithelial growth that is lobed.
Small, raised skin lesion less than 0.5 cm in diameter.
Lesion characterized by thick scales, cracking , and red raw surface caused by the persistence of keratinocyte nuclei in the horny layer of skin.
Bacterial or viral infection.
Localized skin color change greater than 1 cm in diameter.
Group of immune mediated skin diseases characterized by vesicles, bullae, and ulcers.
Most common form of pemphigus, which consists of shallow ulcerations frequently involving the oral mucosa and mucocutaneous junctions.
Small, pinpoint hemorrhages. Singular= petechia.
Solid raised lesion greater than 0.5 cm in diameter.
Growth from mucous membranes.
Condition characterized by hemorrage into the skin that causes bruising. Two types are ecchymosis and petechia.
Small circumscribed, pus filled skin elevation.
Contained in a limited area.
Skin disease containing pus.
An inflammatory product made up of leukocytes, cell debris, and fluid.
Containing or producing pus.
Skin disease in puppies characterized by pus-containing lesions.
Skin disease in puppies that progresses to a systemic disease characterized by fever, anorexia, and enlarged and abscessing lymph nodes; also called puppy strangles.
Malignant neoplasm of soft tissue arising from connective tissue.
Mark left by a healing lesion where excess collagen was produced to replace injured tissue; also called cicatrix or cicatrices, which are multiple scars.
Closed sac of yellow fatty material.
A closed sac containing fluid or semisolid material.
Skin condition characterized by overproduction of sebum (oil).
Small growth that hangs from the body by stalks.
Erosion of skin or mucous membrane.
Erosions of skin or mucous membranes as a result of prolonged pressure; also called bedsores.
Localized areas of swelling that itch; also called hives.
Contained skin elevation filled with fluid that is greater than 0.5 cm in diameter; also called a blister, bulla, or bleb.