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