Hair,Follicle,Cycle

Question Answer
Tricology The study of hair and its diseases. Hair is made from a hard protein called keratin which is produced from the hair follicle.
Hair follicle a mass of epidermal cells, extending down in the dermis and forming a small tube. Referred to as the pilosebaceous follicle and it means hair. It contains sebaceous appendage and the hair shaft.
Average hair growth is what? 1/2 inch per month.
Anagen – THE FIRST STAGE Is the growth stage where new hair is produced. New keratinized hair is manufactured in the hair follicle during anagen stage. Activity is more in the hair bulb, which pushes down into the dermis and swells with cell mitosis.
Catagen – THE SECOND STAGE is the transition stage of hair growth. In the catagen stage, the hair shaft grows upward and detaches itself from the bulb.
Telogen – THE THIRD STAGE Is the final, or resting, stage of hair growth. The hair is at its full size and is ecrect in the follicle. It shows above the skin's surface. The hair bulb is not active and the hair falls out. The bulb moves upward into the dermis and begins to grow a
What is the time frame for a hair to grow fully? 4 to 13 weeks for the hair to grow from a papilla to the surface.

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