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the skin organ system

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BY: GERNELL AUSTIN 6/16/09 Integumentary System & The SKIN ORGAN

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Page 1: The Skin Organ System

BY: GERNELL AUSTIN6/16/09

Integumentary System &

The SKIN ORGAN

Page 2: The Skin Organ System

INTEGUMENTARY SYSTEM

Correct Pronunciation (in-teg-you-MEN-tah-ree)

Forms a protective two-way barrier around the entire body and aids in temperature regulation.

Made up of 5 structures: the SKIN organ, hair, nails, sweat glands, and sebaceous glands.

Page 3: The Skin Organ System

THE SKIN ORGAN

The major organ of the integumentary system, forming a barrier between the external & internal environments.

Top layer of skin made of epithelium tissue, which are composed of close-packed cells that form a covering.

Page 4: The Skin Organ System

THE MAKE UP OF SKIN

There are three layers Epidermis- thin, outer

membrane layer. Dermis- middle, fibrous

connective tissue layer. Subcutaneous-

innermost layer containing fatty tissue.

Dermatology (der-mah-TALL-

oh-jee)- is the study of skin & the integumentary system.

Page 5: The Skin Organ System

THE BREAK DOWN- EPIDERMIS

Epidermis- consist of a type of epithelial tissue called stratified squamous epithelium, which is free of blood and depends on deeper layers for nourishment.

Basal layer-deepest layer of the epidermis, which forms new cells that push old cells to the top.

Melanin- contained in the basal layer and produces a Black pigment that is responsible for the coloring of skin and also protects against ultraviolet rays of the sun.

stratified squamous epithelium

Page 6: The Skin Organ System

THE BREAK DOWN- DERMIS Dermis- middle layer of

skin with a very good blood supply -“true skin”.

Collagen Fibers- glue-like protein contained within the dermis and gives connective tissues its strength.

Dermis houses… Hair follicles Sweat glands Blood vessels Nerve fibers Muscle fibers And other elements

Page 7: The Skin Organ System

THE BREAK DOWN- SUBCUTANEOUS

Subcutaneous- also called “hypodermis”, is the deepest level of skin and composed of fat cells called lipocytes.

Lipocytes- protects the deeper tissues of the body & acts as insulation from heat and cold.

Page 8: The Skin Organ System

ACCESSORY ORGANS & SKIN DISORDERS

Accessory Organs of the SKIN- are the anatomical structures within the dermis such as hair, nails, sebaceous glands and sweat glands.

Some skin disorders are rosacea, eczema, and strawberry hemangioma. All of which can be managed by help from a dermatologist.

Lets all protect our skin by keeping it clean, properly moisturized and protected from extreme heat or cold at all times.

*Red text is hyperlinked for more information.

http://www.webmd.com/skin-problems-and-treatments/tc/rosacea-topic-overview
http://www.medicinenet.com/eczema/article.htm
http://www.visualdxhealth.com/infant/infantileHemangioma.htm

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