MICROANATOMY

Detailed explanation-1: -Keratinocytes produce keratin, a tough, protective protein that makes up the majority of the structure of the skin, hair, and nails. The squamous cell layer is the thickest layer of the epidermis, and is involved in the transfer of certain substances in and out of the body.

Detailed explanation-2: -Keratinocytes are cells that make up over 90% of the epidermis or the outer layer of the skin. They produce an secrete a protein called “keratin” which is also called an intermediate filament protein, that holds the skin cells and layers together.

Detailed explanation-3: -Keratinocytes make up 90% of the epidermis and are responsible for waterproofing the skin and protecting us from heat, microbes, and chemicals. Melanocytes compose 8% of the epidermis and are responsible for producing melanin, the pigment that determines skin color and protects us from the sun.