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What are the main structures of the hair follicle?
The hair follicle can be divided into 3 regions: the lower segment (bulb and suprabulb), the middle segment (isthmus), and the upper segment (infundibulum). The lower segment extends from the base of the follicle to the insertion of the erector pili muscle (also known as the arrector pili muscle).
What are the five main parts of a hair follicle?
The lower portion of the hair follicle consists of five major portions:.
The dermal papilla..
The matrix..
The hair shaft, consisting from inward to outward of the medulla, cortex, and cuticle..
The inner root sheath (IRS) consisting of the inner root sheath cuticle, Huxley's layer, and Henle's layer..
What are the 3 main structures of hair?
Hair shaft is consisted of three layers: cuticle, cortex and in certain cases medulla.