histology of the appendages of the skin

Structure of the skin Skin & Appendages Dr. Shahbaz Ahmad PT DPT[UIPT][UOL] MS-MSK-PT [UIPT][UOL]* Lecturer [LIHS][LCPS] 2. This may also lead to the modulation of healing and regeneration processes in future treatment modalities. The skin appendages are epidermal and dermal derived components of the skin that include hair, nails, sweat glands, and sebaceous glands. Start studying Histology Lippincott Chapter 8 (Skin and Epidermal Appendages). Consult a textbook for illustrations (e.g., pp. Wheater’s Functional Histology Layers of Skin 1) Epidermis stratified squamous epithelium epidermal ridges 2) Dermis a) papillary layer small blood vessels, lymph & nerves fine collagen & elastic fibers b) reticular layer vascular plexus, lymph, nerves & appendages compact collagen fibers & thick elastic fibers 3) Hypodermis (subcutaneous) Learning histology was never so easy! Unit VII – Problem 8 – Histology: Skin & Appendages -The integumentary system consists of the skin and appendages which include: Sweat glands. One of the best histology sites on the internet! This type of hair is called vellus hair. The skin appendages are epidermal and dermal derived components of the skin that include hair, nails, sweat glands, and sebaceous glands. Appendages of the Skin Hair. Sebaceous glands. A characteristic feature of the human skin is the apparent lack of hair (pili) on most of the body surface. There is complete loss of skin appendages, incomplete reformation of the rete ridges and papillary dermis, as well as alterations in the collagen fiber bundles. A comprehensive, fun and entertaining site devoted exclusively to histology. This is actually not quite true. The skin is the largest single organ of the body, typically accounting for 15%-20% of total body weight and, in adults, presenting 1.5-2 m 2 of surface to the external environment. -General functions of the integumentary system are: Protection from mechanical injury. Skin appendages are derived from the skin and include hair, nails, and glands. Nails. Skin appendages are epidermal & dermal derived components of the skin that include hair, nails, sweat glands, and sebaceous glands. Most of the skin is haired although the hair in most areas is short, fine and only lightly pigmented. This new molecular histology of skin appendages is the foundation for forming new hypotheses on how molecules are mechanistically involved in skin appendage development and for designing experiments to test them. A maturing scar, however, does not fully recover its preinjury histology. 42-43 in Histology for Pathologists, Sternberg, 1998; newer edition: Mills, Histology for Pathologists, 3rd ed., 2007). Thickness of epidermis. 1 This maturation process is further outlined in Table 5-1. Each component has a unique structure, function, and histology. Skin varies markedly over different parts of the body. skin and appendages Histology 1. Hair (with arrector pili muscle). All of the components of skin contribute to this variation. This site includes histology quizzes, histology games, slides, mnemonics, histology puzzles and tons of information about histology. Learn vocabulary, terms, and more with flashcards, games, and other study tools. Each component has a unique structure, function, and histology. The main functions of the skin are protection (barrier against ultraviolet radiation, microorganisms, and water loss), the synthesis of vitamin D, detection of sensation (e.g., touch, temperature, pain), and the regulation of body temperature. 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