GENERAL HISTOLOGY

Detailed explanation-1: -Both eccrine and apocrine sweat glands originate from the epidermis. Eccrine glands begin as epithelial cellular buds that grow into the underlying mesenchyme. The glandular secretory components then form by elongation of the gland and coiling of the ends.

Detailed explanation-2: -The apocrine sweat is cloudy, viscous, initially odorless, and at a pH of 6–7.5. It contains water, protein, carbohydrate waste material, and NaCl. The sweat only attains its characteristic odor upon being degraded by bacteria, which releases volatile odor molecules.

Detailed explanation-3: -Apocrine sweat glands, which are usually associated with hair follicles, continuously secrete a fatty sweat into the gland tubule. Emotional stress causes the tubule wall to contract, expelling the fatty secretion to the skin, where local bacteria break it down into odorous fatty acids.