BY: JARON ESTEP & PEYTON PATRICK

 Protects the body’s internal living tissues and organs  Protects against invasion from harmful organisms  Protects from dehydration  Helps excrete waste through perspiration  Acts as a receptor for touch  Stores water fat glucose and vitamin D

 Epidermis  Dermis  Hypodermis

 The top layer of skin made up of the epithelial cells.  Does not contain blood vessels.  Its main function is protection, absorption of nutrients, and homeostasis.  Its structure consists of a keratinized stratifies squamous epithelium which is made of four types of cells. Keratinocytes, melanocytes, merkel cells, and langerhans’ cells.

 The dermis is the middle layer of skin  Composed of dense irregular connective tissue and areolar connective tissue such as collagen.  The dermis has two layers  One is a papillary layer  The other is a reticular layer  The dermal layers provide a site for the endings of blood vessels and nerves

 Also called hypoderm, subcutaneous tissue, or superficial fascia and the bottom layer of the integumentary system.  Types of cells that are found in the hypodermis are fibroblasts, adipose cells, and macrophages.  It is derived from the mesoderm, but not the dermatome region of the mesoderm

 Rash  Blister  Sunburn  albinism  Herpes  Cancer  Psoriasis

 A change in skin which affects its color appearance or texture

 A blister is a small pocket of fluid in the upper layer of the skin

 A sunburn is a form of radiation burn that affects living tissue from an overexposure to ultraviolet light

 A congenital disorder characterized by the complete of partial absence of pigment in the skin.

 Is a viral disease from the herpesviridae family caused by both herpes simplex virus type 1 and type 2  There is two main types of herpes: oral herpes, and genital herpes

 Is a broad group of various diseases, all involving unregulated cell growth.

 Is a immune mediated disease that affects the skin. It is typically a lifelong condition.

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