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Integumentary
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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
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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
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Dermis Composed of blood, lymph vessels, nerve Fibroblasts Histocytes (macrophages) Mast cells Arrector pili Sebaceous gland Sweat glands Follicles
Structure of the skin
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Subcutaneous LayerLocated under the dermis and is composed of connective tissue - fat or lipid or adipose tissue.
Fat (adipose) cells
Structure of the skin
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Types of hairFur Guard hairs Secondary HairsTactile Hair Hair developmentSimpleCompound Color of hair3 primary pigmentsGray hairWhite hair
Shedding/Molting
Hair
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Quick Coronary band (Coronet) Chestnuts/Ergots
Horn
Antler
Nails, Horns, Hooves
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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
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Abrasion
Abscess
Acne
Pathology
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Hot spots (Pyoderma)
Alopecia
Cellulitis
Pathology
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Contusion
Dermatitis
Discoid lupus erythematosus (Collie nose or solar dermatitis)
Pathology
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Ecchymosis (bruise)
Eczema
Fissure
Pathology
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Fistula Perianal Fistula
Gangrene
Granuloma (Proud Flesh)
Pathology
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Lipoma
Melanoma
Papule
Pathology
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Pemhigus
Petechie
Sebaceous cyst
Pathology
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Ulcer Decubital Ulcer
Urticaria Vesicle
Erythema
Pruritus
Pathology
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Schnauzer Comedo Syndrome
Demodectic Mange
Sarcoptic Mange
Pathology
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Cheyletiella
Cuterebriasis
Dermatophytosis
Pathology
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Lick granuloma
Wart
Pathology