NEET PG DENTAL EXAM

Detailed explanation-1: -Keratinocytes produce keratin, a tough, protective protein that makes up the majority of the structure of the skin, hair, and nails.

Detailed explanation-2: –1-the keratinocytes: compose most of the epidermis. They produce a protein: the keratin that helps waterproof the skin and that protects the skin and the underlying tissues from heat, microbes, abrasion and chemicals.

Detailed explanation-3: -This layer is composed of flat, and tightly packed dead cells called keratinocytes. The layer of keratinocytes forms a waterproof barrier that protects the underlying skin layers from the penetration of external water.

Detailed explanation-4: -Hair is composed of 95% keratin, a fibrous and helical protein (in the shape of a helix), which is part of the composition of the skin and of all the phanera (hair, nails, etc.). Synthesized by keratinocytes, keratin is insoluble in water, thus ensuring waterproofing and protection for hair.