Chapter_4_Notes - Exocrine glands Sebaceous glands Sweat...

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Skin and body membranes A&P Chapter 4 Notes
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Classification of Body Membranes Epithelial Membranes Cutaneous Mucous Serous Parietal layer Visceral layer Connective Membranes Synovial
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Typical Synovial Joint
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Integumentary System Skin (cutaneous  membrane) and  derivatives Mostly protective  function Epidermis, dermis,  hypodermis
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Epidermis 5 layers  (strata) Stratum basale Spinosum Granulosum Lucidum Corneum Avascular Keratinocytes Melanocytes
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Dermis “hide” Collagen, Elastin, Phagocytes Papillary layer Dermal papillae Meissner’s corpuscles Papillary patterns Reticular layer Blood vessels, sweat and oil glands Pacinian corpuscles
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Skin Color Three pigments contribute to skin color Melanin Carotene Oxygen bound to hemoglobin Homeostatic Imbalances: Erythema Pallor Jaundice Bruises
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Appendages of the Skin Cutaneous glands
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Unformatted text preview: Exocrine glands Sebaceous glands Sweat glands Hairs and hair follicles Root Shaft Hair bulb matrix Arrector pili Nails Homeostatic Imbalances of Skin Infections and Allergies Athletes foot Boils Cold sores Contact dermatitis Impetigo Psoriasis Homeostatic Imbalances Cont’d Burns Rule of nines 1st degree 2nd degree 3rd degree Severity of Burns 1st degree 2nd degree 3rd degree Skin Cancer Basal cell carcinoma Squamous cell carcinoma Malignant melanoma ABCD rule Developmental Aspects of Skin and Body Membranes Fetal - Baby Lanugo Vernix caseosa Milia Adolescence Acne Dermatitis Old age Subcutaneous tissue decrease (cold) Drier skin...
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