PPT-Diseases of the Hair, Wool, Follicles, and Skin Glands

By Dr Hussein AlNaji Alopecia And Hypotrichosis Etiology Alopecia and hypotrichosis are defined as lack of hair in any quantity on a normally haired body surface In contrast to alopecia. Introduction to the SKIN! . Integumentary System . Skin (aka- . cutaneous. membrane). Nails. Hair Follicles. Skin Glands. The skin is the largest organ by weight. Functions. :. Protective covering. Slows water loss. HCT I. Layers of The Skin. Two primary layers. Epidemis. Dermis. Subcutaneous Tissue- A layer of loose connective tissue and fat that supports the epidermis and dermis.. Insulates the body. Stored source of energy. Functions of the Skin. Protection. Regulation of Body Temperature. Reception of Stimuli. Excretion. Synthesis of Vitamin D. Immunological Function. Temperature Regulation. One of the main functions of the Integumentary System is maintenance of body temperature. Integumentary. System. Part 2. Appendages of the Skin. Skin Appendages. Glands. all arise from stratum . basale. then extend into dermis & subcutaneous layers. all exocrine glands. Release product thru a duct onto surface of skin. Integumentary System Skin I ntegumentary system Skin Adnexal structures (nails, hair, and glands).  Protects against drying unnecessary loss or addition of water to the body. Glands produce secretions September 23-24 2014. Skin Appendages. The skin appendages include cutaneous glands, hair, and nails.. Cutaneous Glands. What . is cutaneous? . What is an exocrine gland? . . Cutaneous Glands. What . Chapter . 4. Accessory Organs. Glands. Hair. Nails. Glands. Organ that releases a substance into or out of the body. Sebaceous (oil) glands. Sudoriferous (sweat) glands. Sebaceous (oil) Glands. All over the body (except palms and soles). thin. type. . . thick. type. . Keratinized. adnexa . hair. . . . nail. Nonkeratinized. adnexa . small. organ. . It is the first line of defense against pathogens - . disease. -. causing. agents such as bacteria, viruses and . fungi. . Your skin helps regulate your body . temperature. , removes waste products through your . Microbial Diseases of the Skin and Wounds. Function and Components . of the . Integumentary . System. Physical. Epidermis – stratified squamous epithelium. Dermis – . sweat glands, oil . glands with hair follicles, sensory nerve endings, capillaries. . 1. Hair can be found in nearly all regions of the skin.. . 2. individual hairs develop from cells at the base of the hair follicle, an invagination of the lower epidermis that dips down into the dermis.. What are the functions of the integumentary system?. Protection. Sensory Perception. Body temperature regulation. Storage. Absorption. Excretion. Production. protection. barrier to the sun’s UV rays & invasion of pathogens. The ary system is an organ system consisting of the skin, hair, nails, and exocrine g lands. FUN FACT : The skin is the largest organ of the human body! It accounts for about 15% of your body weigh Types: Sebaceous (oil) glands. Sudoriferous . (sweat) glands. Ceruminous. (ear wax) glands. Mammary (milk) glands (specialized . subdoriferous. glands). Sebaceous glands:. . -branched . acinar. glands.