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Integumentary
Combining forms for skin cutane derm dermat derma
Functions of the skin Protective membrane Glands which produce secretions Nerve fibers for sensation Maintain body temperature
Integumentary
Epidermis Takes 21 days for normal mitosis of an animal’s skin Animals have thinner epidermis layers than humans Made up of squamous epithelium (flat, platelike cells) Avascular Depends on capillaries for nourishment Melanocytes Keratin (Kerat – horny) is a protein that provides skin with its
waterproofing properties
Structure of the skin
Dermis Composed of blood, lymph vessels, nerve Fibroblasts Histocytes (macrophages) Mast cells Arrector pili Sebaceous gland Sweat glands Follicles
Structure of the skin
Subcutaneous LayerLocated under the dermis and is composed of connective tissue - fat or lipid or adipose tissue.
Fat (adipose) cells
Structure of the skin
Types of hairFur Guard hairs Secondary HairsTactile Hair Hair developmentSimpleCompound Color of hair3 primary pigmentsGray hairWhite hair
Shedding/Molting
Hair
Quick Coronary band (Coronet) Chestnuts/Ergots
Horn
Antler
Nails, Horns, Hooves
Types of feathers Contour o Remigieso Rectricies
Semiplume Down Filoplume Bristles
Wing trims Larger birds - trim the first 4 primary remigies Smaller birds - trim the first 5-6 primary remigies
Feathers
Abrasion
Abscess
Acne
Pathology
Hot spots (Pyoderma)
Alopecia
Cellulitis
Pathology
Contusion
Dermatitis
Discoid lupus erythematosus (Collie nose or solar dermatitis)
Pathology
Ecchymosis (bruise)
Eczema
Fissure
Pathology
Fistula Perianal Fistula
Gangrene
Granuloma (Proud Flesh)
Pathology
Lipoma
Melanoma
Papule
Pathology
Pemhigus
Petechie
Sebaceous cyst
Pathology
Ulcer Decubital Ulcer
Urticaria Vesicle
Erythema
Pruritus
Pathology
Schnauzer Comedo Syndrome
Demodectic Mange
Sarcoptic Mange
Pathology
Cheyletiella
Cuterebriasis
Dermatophytosis
Pathology
Lick granuloma
Wart
Pathology