NEET PG DENTAL EXAM

Detailed explanation-1: -Functions of the skin include the following: regulates body temperature, prevents invasion of microorganisms, and assists in the production of vitamin D.

Detailed explanation-2: -Numerous functions of the skin are regulated by vitamin D and/or its receptor. These include inhibition of proliferation, stimulation of differentiation including formation of the permeability barrier, promotion of innate immunity, regulation of the hair follicle cycle, and suppression of tumor formation.

Detailed explanation-3: -Vitamin D production in the skin is the primary natural source of vitamin D, but many people have insufficient levels because they live in places where sunlight is limited in winter, or because they have limited sun exposure due to being inside much of the time.

Detailed explanation-4: -Sunlight. The most well-known source of vitamin D is via synthesis in the skin induced by sun exposure.