PPT-DERMIS OF SKIN

Mr saimoun ken manhai Dermis is made of fibrous connective tissue that contains arterioles for supplying nutrients oxygen glucose water and ionsto its structures and to the epidermis . 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 . Divided into 3 basic layers:. 1. Epidermis. 2. Dermis. 3. Subcutaneous tissue. Epidermis: top level. Made up of 5 cell layers (from bottom to top):. Basal (deep). Spinus. Granular. Lucidum. Corneum (superficial). Dermis: middle layer. A. Tissue . Type. Tissue: . Dense Irregular Connective Tissue. Contains: . Collagen. Fibers: Strong and resist stretching but can bend. Elastic. Fibers: allow stretching but also recoil back. INTEGUMENTARY SYSTEM. EPITHELIAL MEMBRANES. There are 3 types of epithelial membranes. Cutaneous membrane. Mucus membrane. Serous membrane. Cutaneous Membrane. Skin. Dry Membrane. Mucous Membrane. Lines all body cavities that are open to the exterior.. To understand the underlying structures of the skin. To gain a basic understanding of the process of wound healing.. To be able to identify different tissue types in areas such as the wound bed, wound edge and surrounding skin. Two kinds of tissue compose the skin. Epidermis. Dermis. Hypodermis (subcutaneous layer) . Anchors the skin to underlying organs. Not technically part of the integumentary system. Composed mostly of adipose tissue. 19. 2018. What do you already know about the integumentary system?. Integumentary System. Components. :. Skin (aka . cutaneous membrane . or . integument. ). Hair. Nails. Integumentary System. Components. 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. Anatomy & Physiology. ivyanatomy.com. . Skin and Its Tissues. An . Organ . is composed of two or more tissues. Skin (Cutaneous Membrane) . is the largest organ by weight. Two Layers of Skin include:. Dr . Mukesh. . Singla. SKIN. DEFINITION. GENERAL COVERING OF THE EXTERNAL . SURFACE OF THE BODY. FORMS 15% OF THE TOTAL BODY WEIGHT. THICKNESS-1.5 to 5.0 mm. LARGEST ORGAN OF THE BODY. 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 The thickness of the epidermis is varies according to the region of the body, reaching maximum thickness about 4mm in the back. Dermis contain two layers the outermost . papillary layer. and deeper . papillary dermis. s. weat duct. hypodermis. s. weat glands. s. weat duct. melanocyte. Melanocytes & Langerhans Cells. melanocytes. Langerhans cells. sb. sp. sg. sc. Slide 0059: Lip. o. rbicularis .