PATHOLOGY

Detailed explanation-1: -Sebaceous glands are present everywhere on the human skin except for the palms, soles, and dorsa of the feet. Generally, they are associated with hair follicles and empty through a short duct into the canal of the hair follicle.

Detailed explanation-2: -sebaceous gland, small oil-producing gland present in the skin of mammals. Sebaceous glands are usually attached to hair follicles and release a fatty substance, sebum, into the follicular duct and thence to the surface of the skin.

Detailed explanation-3: -Eccrine sweat glands first appear on the palms and soles during the fourth month of gestation; they become functional soon after birth. On the other hand, apocrine sweat glands do not function until hormonal stimulation during puberty.