What is melanin?
Four main functions of the skin.
Types of sweatty glands.
Generates hair
Other skin functions
Three main layers of the skin.
Actions for skin care and protection
Structures associated to the skin
They produce melanin
1. Epidermis 2. Dermis 3. Hipodermis o subcutane layer
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
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.
Sebaceus glands, sweat glands, hair and nails.
Cells called melanocytes
