The Integumentary System with Medical Terminology

Topics: Skin, Wart, Human papillomavirus Pages: 7 (1520 words) Published: August 17, 2012
The Integumentary System
Christina Valle
Semester Project
MED- 105/ME1
ASA College

The Integumentary System
The integumentary system is the organ system that protects the body from damage, and consists of skin and its appendages: hair, nails, sebaceous glands and sweat glands. The skin is our body’s covering, and is the largest organ of the body. -------------------------------------------------

Functions of the skin
1. -------------------------------------------------
Covers and protects our inner tissues from dehydration, injury and infection. 2. -------------------------------------------------
Regulates body temperature- When we sweat, our body rids itself of excess heat. 3. -------------------------------------------------
Helps to manufacture vitamin D- The ultraviolet light on the skin is necessary for the first stages of vitamin formation. (Scott & Fong, 2009, 2004) 4. -------------------------------------------------

Contains tissues that temporarily store fat, glucose, water, and salts such as sodium chloride. 5. -------------------------------------------------
Designed to sheild body from harmful, ultraviolet rays illuminated by the sun. 6. -------------------------------------------------
Absorbs certain medications and chemicals
7. -------------------------------------------------
Acts as a site for nerve receptors; to receive sensory information associated with pain, temperature, pressure and touch. (Moisio & Moisio, 2008)

The skin technically consists of 2 basic layers called the epidermis and the dermis. Although, there is a layer beneath the dermis called the subcutaneous layer, it is not a true part of the integumentary system. The epidermis is the outermost layer of the skin, providing the waterproof covering. The dermis, or corium is the thicker, second layer containing nerve endings, muscles, hair follicles, oil and sweat glands. The subcutaneous layer or hypodermal layer, consisting of loose connective tissue and containing about ½ of the body’s stored fat attaches the integumentary system to the surface muscles underneath. The hair is made up of a shaft and root. We have hair distributed over most of our body’s surface. There is a smooth muscle called the arrector pili muscle, which is connected to one side of each hair follicle. This muscle, when stimulated by sudden chill, contracts, causing the skin to tighten around the hair. This reaction is usually called goose bumps. When this happens, the sebaceous glands are pressured upon, producing a small amount of oil. Sweat glands also called sudoriferous glands are all over the skins surface, and are in large quantities under the arms, in the palms of hands, soles of feet and forehead. The sebaceous gland secretes an oily substance called sebum that protects the skin and keeps it soft and lubricated. The nails are hard structures that cover the top end of the fingertips and toes. Healthy nails are usually pink in color and grow approx. 1mm per week. There are some diseases and conditions that can be diagnosed through looking at the color of the nails. 1Nail diseases are in a separate category from diseases of the skin. Although nails are a skin appendage, they have their own signs and symptoms which may relate to other medical conditions. Nail conditions that show signs of infection or inflammation require medical assistance and cannot be treated at a beauty parlor. Deformity or disease of the nails may be referred to as onychosis. Onychocryptosis, commonly known as "ingrown nails" (unguis incarnatus), can affect either the fingers or the toes.. An infection of nail fungus (onychomycosis) occurs when fungi infect one or more of your nails. Onychomycosis generally begins as a white or yellow spot under the tip of the fingernail or toenail. Nail inspection can give a great deal of information about the internal working of the body as well, and like tongue or iris inspection, has a long history...
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