Hair Anatomy

Over a few weeks hair growth slows and the hair follicle shrinks. Hair is a derivative of the epidermis and consists of two distinct parts.

The Human Hair Chart 20x26 Hair Facts Hair Chart Hair

Human skin contains approximately 2 million hair follicles.

Hair anatomy. The follicle and the hair shaft. Hair follicle has a continuous growth and rest sequence named hair cycle. Hair growth occurs in cycles consisting of three phases.

Depending on the type of hair the medulla isnt always present. Hairs grow from pockets in the skin called hair follicles. This is called the cuticle which is formed by tightly.

Hair shaft the innermost layer. Most hair is growing at any given time. Hair inside the skin is generated from the hair follicle or root bulb.

On adult whales elephants sirenians and rhinoceroses body hair is limited to scattered bristles. Over months hair growth stops and the old hair. Hair in mammals the characteristic threadlike outgrowths of the outer layer of the skin epidermis that form an animals coat or pelage.

Hair is present in differing degrees on all mammals. This is called the cortex which makes up the majority of the hair shaft. Apart from enhancing looks and appearance hairs are also responsible for sensory transmission in the human body.

This is called the medulla. The follicle is the essential unit for the generation of hair. The hair shaft consists of a cortex and cuticle cells and a medulla for some types of hairs.

The anatomy of hair the structure and growth cycle of hair is a fascinating process and in this post we explore the key stage of hair development.

Hair Anatomy Part 2 Hair Shaft Structure