Relier Pairs 2.32 Concepts of the Integumentary System Version en ligne Concepts of the Integumentary System par Jorge Arizpe 1 What is melanin? 2 Structures associated to the skin 3 Actions for skin care and protection 4 Three main layers of the skin. 5 Types of sweatty glands. 6 Generates hair 7 Four main functions of the skin. 8 They produce melanin 9 Other skin functions Hair follicle 1.Eccrine: Produces diluted sweat. Activated by temperature 2.Apocryphal: Produces a type of sweat with more protein. Concentrated in regions like armits among others. Activated by stress or nervousness. 1. Substances absorbtion (Ex: some medicines) 2. Excretion (water, electrolytes, toxines) 3. Vitamin D synthesis 1. Epidermis 2. Dermis 3. Hipodermis o subcutane layer 1.Protection against infections 2.Protection against dehydration 3. Body temperature regulation 4. Senses' organ Cells called melanocytes Sebaceus glands, sweat glands, hair and nails. Pigment that gives color to the skin, hair and eyes. People with darker skin produce a larger amount of melanin. 1. Proper nutrition 2. Sport (helps circulation) 3. Regular cleaning 4. Sunlight protection (UV rays).
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