The skin hair nails and glands all make up integumentary system of the body
Epidermis is the outermost layer of the skin
Dermis is the Pascal layer of the skin
Skin doubling time 4 weeks
skin is the outermost covering of the body largest organ in the body surface area 1.5 to 2 square
it has two layers of epidermis and dermis between the skin and underlying structure there is a layer of subcutaneous fat
epidermis is most superficial layer and is composed of keratinized squamous epithelium layer
There are 5 layers from outside to inside they are stratum corneum stratum lucidum stratum granulosum stratum spinosum and stratum Basale
the colour of skin is affected by three major factors melanin haemoglobin and bile pigments
Dermis is the inner layer which consists sweat glands, sebaceous gland ,hair follicles, lymph vessel ,blood vessel Arector pilorum and free nerve ending
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