Relacionar Columnas 2.32 Concepts of the Integumentary System Versión en línea Concepts of the Integumentary System por Jorge Arizpe 1 Three main layers of the skin. 2 Four main functions of the skin. 3 Types of sweatty glands. 4 Structures associated to the skin 5 Other skin functions 6 They produce melanin 7 Generates hair 8 Actions for skin care and protection 9 What is melanin? Sebaceus glands, sweat glands, hair and nails. 1. Epidermis 2. Dermis 3. Hipodermis o subcutane layer 1. Substances absorbtion (Ex: some medicines) 2. Excretion (water, electrolytes, toxines) 3. Vitamin D synthesis 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. 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). 1.Protection against infections 2.Protection against dehydration 3. Body temperature regulation 4. Senses' organ Hair follicle Cells called melanocytes
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