Integumentary Integumentary q Combining forms for skin q
Integumentary
Integumentary q Combining forms for skin § § q cutane dermat derma Functions of the skin § § Protective membrane Glands which produce secretions Nerve fibers for sensation Maintain body temperature
Structure of the skin q § § § § 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 q Dermis § § § § Composed of blood, lymph vessels, nerve Fibroblasts Histocytes (macrophages) Mast cells Arrector pili Sebaceous gland Sweat glands Follicles
Structure of the skin q Subcutaneous Layer Located under the dermis and is composed of connective tissue - fat or lipid or adipose tissue. Fat (adipose) cells
Hair q Types of hair Fur Guard hairs Secondary Hairs Tactile Hair � q Hair development Simple Compound � q Color of hair 3 primary pigments Gray hair White hair Shedding/Molting
Nails, Horns, Hooves q Quick q Coronary band (Coronet) q Chestnuts/Ergots q Horn q Antler
Feathers q Types of feathers § Contour o Remigies o Rectricies § § q Semiplume Down Filoplume Bristles Wing trims § Larger birds - trim the first 4 primary remigies § Smaller birds - trim the first 5 -6 primary remigies
Pathology q Abrasion q Abscess q Acne
Pathology q Hot spots (Pyoderma) q Alopecia q Cellulitis
Pathology q Contusion q Dermatitis q Discoid lupus erythematosus (Collie nose or solar dermatitis)
Pathology q Ecchymosis (bruise) q Eczema q Fissure
Pathology q Fistula q Gangrene q Granuloma (Proud Flesh) Perianal Fistula
Pathology q Lipoma q Melanoma q Papule
Pathology q Pemhigus q Petechie q Sebaceous cyst
Pathology � Ulcer § Decubital Ulcer q Urticaria q Vesicle q Erythema q Pruritus
Pathology q Schnauzer Comedo Syndrome q Demodectic Mange q Sarcoptic Mange
Pathology q Cheyletiella q Cuterebriasis q Dermatophytosis
Pathology q Lick granuloma q Wart
- Slides: 19