MICROANATOMY

Detailed explanation-1: -Hair structure Each hair has a hair shaft and a hair root. The shaft is the visible part of the hair that sticks out of the skin. The hair root is in the skin and extends down to the deeper layers of the skin.

Detailed explanation-2: -Each hair shaft is made up of two or three layers: the cuticle, the cortex, and sometimes the medulla. The cuticle is the outermost layer.

Detailed explanation-3: -Pili multigemini is a rare disorder where more than one hair exists in a single hair follicle. Papillar tips that divide into several tips will produce several hair shafts, so that characteristically do not fuse again. This disorder is relatively frequent on the beard of adult men and on the scalp of children.