VT 100 Lab 3 Integumentary/Reptile Terminology

Dermis

Skin

Epidermis

Outermost layer of skin

Keratin (kerat/o)

Protein: horny

Histamine

Chemical released in response to allergens that causes itching (Pruritus)

Abscess

Localized collection of pus

Hyperthermia

High body temperature

Hidrosis

Production and excretion of sweat

Cerumen

Waxy substance

Vibrissae

Long tactical hairs

Piloerection

Hair standing straight up

Dewclaw

Rudimentary bones; in dogs and cats, the first digit

Abrasion

Injury in which superficial layers of skin are scraped

Atopy

Hypersensitivity reaction in animals involving pruritus with secondary dermatitis

Alopecia

Hair loss, resulting in hairless patches or complete lack of hair

Comedo

Blackhead or buildup of Sebum and keratin in a pore

Contusion

Injury that does not break the skin, characterized by pain, swelling, and discoloration; a bruise

Dermatomycosis

Abnormal skin condition caused by superficial fungus; dermatophytosis = ring worm

Ecchymosis

Purpleish non-elevated patch of bleeding into the skin; bruise

Ecthyma

skin infection with Shallow eruptions caused by a pox virus

Erythema

Skin redness

Granuloma

Small area of healing tissue

Hemangioma

Benign tumor, composed of newly formed blood vessels

Melanoma

Tumor or growth of pigmented skin cells

Nodule

Small, knot protruding above the skin

Onychomycosis

Superficial fungal infection of the claw

Furuncle

Localized skin infection in a gland or hair follicle

Laceration

Accidental cut into the skin

Macule

Flat discolored lesion < 1 cm

Papilloma

Benign epithelial growth that is lobed

Petechia

Small pinpoint hemorrhages

Pruritus

Itching

Pyoderma

Purulent skin disease

Seborrhea

Skin condition characterized by overproduction of sebum

Sarcoma

Malignant neoplasm of soft tissue arising from connective tissue

Carapace

Dorsal turtle shell

Plastron

Venture turtle shell

Scute

Scale like structure of the turtle shell

Ecdysis

Shedding or molting

Dysecdysis

Abnormal shedding or molting

Femoral pores

Sexually dimorphic glands prominent in the mature lizard that are located on the ventral surface of lizard thighs

Spectacle

Transparent abnormal covering of the cornea of some reptiles