Relier Pairs 2.32 Concepts of the Integumentary System Version en ligne Concepts of the Integumentary System par Jorge Arizpe 1 They produce melanin 2 Generates hair 3 Four main functions of the skin. 4 Types of sweatty glands. 5 Actions for skin care and protection 6 Structures associated to the skin 7 Three main layers of the skin. 8 Other skin functions 9 What is melanin? 1. Proper nutrition 2. Sport (helps circulation) 3. Regular cleaning 4. Sunlight protection (UV rays). 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 Pigment that gives color to the skin, hair and eyes. People with darker skin produce a larger amount of melanin. 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. Sebaceus glands, sweat glands, hair and nails. Cells called melanocytes
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