PDF-The Dermis

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. 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 13 The dermis is approximately 15 to 40 times as thick as the epidermis It consists of three layers Papillary layer The dermal area that projects into the intervals between the epidermal ridges The fiber components are thin and richly supplied wit 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 . 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. . 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). 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. Let’s start off with a True or False game…. 1. Skin weighs about 12-15 pounds. 2. Skin sheds itself every 14 days. 3. Skin is the largest organ in the body.. 4. Skin is thickest on the palms and soles of the feet.. 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 . 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. 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:. 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 . . Mr. saimoun ken manhai. Dermis is made of fibrous connective tissue that contains arterioles for supplying nutrients ( oxygen , glucose, water and ions)to its structures and to the epidermis ..