Relacionar Columnas Integumentary System ConceptsVersión en línea Integumentary System Concepts por Jorge Arizpe 1 Four major functions 2 Others activities of the skin 3 The three main layers of integumentary system: 4 Associated structures are: 5 Types of Sudoriferous glands 6 Mention how to care for the skin: 7 What is melanin? Epidermis, Dermis and Subcutaneous layer 1.Protection against infection 2.Protection against dehydration (drying) 3.Regulation of body temperature 4.Collection of sensory information The pigment that gives human skin, hair, and eyes their color. Dark-skinned people have more melanin in their skin than light-skinned people have. Melanin is produced by cells called melanocytes. 1. Proper nutrition 2. Adequate circulation 3. Regular cleansing Removes dirt and dead skin Sustains slightly acid environment to inhibit bacteria 4. Protection from sunlight Exposure to UV light causes genetic mutations in skin that can lead to cancer, and causes premature aging. 1. Eccrine: Produce watery type of sweat Activated by heat 2. Apocrine: Produce thicker type of sweat with more proteins Concentrated in armpit and groin areas Activated by nervousness or stress Sebaceous oil glands, Sudoriferous glands, Hair and Nails 1. Absorption of substances such as medications 2. Excretion (Water, Electrolytes,Wastes) 3. Manufacture of vitamin D
