NEET PG DENTAL EXAM

Detailed explanation-1: -The medulla, only present in thicker hair types, is the innermost layer of your hair. It consists of a soft, thin core of transparent cells and air spaces.

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

Detailed explanation-3: -The medulla is the second optical neuropil and can be divided into three regions, the outer, the inner medulla, and the serpentaine layer, which separates the outer and the inner medulla. Lamina monopolar cells and long visual fibers are the main inputs into the outer medulla.

Detailed explanation-4: -The innermost layer is called the medulla, which is composed of loosely packed cells at the center of a single strand. The middle part of your hair fiber that surrounds the medulla is called the cortex, which is made up of keratin proteins and structural lipids.