PDF-Dermis The Second Layer of Skin The body146s 147leather148 The

Only a few millimeters of skin separate our bodies from the dangers of the outside world Yet skin146s multilayered design provides us with the perfect combination of strength flexibility and durabilit. brPage 3br Mechanoreceptors Merkel receptor diskshaped receptor located near the border betwe en the epidermis and dermis Meissner corpuscle stack of flattened disks in the dermis just below epidermis Ruffini cylinder branched fibers inside a cyl Keratinization. is the process of replacing viable cells in the stratum basale with more and more of the waxy keratin protein as cells move from the deepest layer to the surface layer.. Constant friction can stimulate the process and produce a callus (an even thicker buildup of keratinocytes in the stratum . 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. system:. the epidermis and its layers. Integumentary. system. Includes your entire outer layer of skin (16% of your total body weight), accessory organs like hair, nails, and glands.. Consists of two major parts:. Dr . Ali elethawi. Specialist dermatologist . C.A.B.D ,F .I .C.M.S .  . The integumentary system is synonymous with. : . . The skin and its appendages . : . sweat glands, nails, hair, sebaceous glands & arrector pili muscles. . Amanda Dunne . The Integumentary System. Storage. (Water, Fat, Vitamin D). Regulation of body . temperature. Prevention of . dehydration. (water loss). Layers:. Epidermis (superficial). Dermis (deep). Anatomy . & Physiology. ivyanatomy.com. . Skin and Its Tissues. An . Organ . is a . group of . two or more tissues that perform a specialized function. Skin (Cutaneous Membrane) . is the largest organ by weight. Skin Pigment. The color of your skin is due to an interaction between:. (1) epidermal pigmentation. (2) dermal circulation. Epidermal Pigmentation. Two pigments present in the epidermis:. (1) Carotene – orange-yellow pigment found in the stratum . I. The Integumentary System. The Integumentary System. Skin = Integument. Largest organ in body – 15% of body weight. Skin accessory organs . (hair, nails, glands) . . . = Integumentary system. Chapter 6: Integumentary System I. Introduction A. Introduction 1 . The skin is composed of several kinds of tissues. 2. Skin is a protective covering that prevents many harmful substances from entering the body. Practical histopathology. . Lab . 11 . (. General Methods in . preparation of skin biopsies. ). Introduction. The . skin. together with its . accessory organs. , . sweat glands. , . sebaceous glands. Organ System. Groups of closely related organs that work together to . perform similar . functions . For each organ system studied, know:. What are the organs that compose the system?. What are the functions of the system?. Knowledge of the structure, functions and conditions of the skin, are . essentials for understanding how to optimally serve our clients at every level. Did you know…. The skin is the body’s largest organ. dr. Ahmed Almusawi 1 DERMIS The dermis is the layer of connective tissue that supports the epidermis and binds it to the subcutaneous tissue (hypodermis). The thickness of the dermis varies with the