Trichology is the science of the structure, function and diseases of the human hair. In a clinical sense, Trichology is the diagnosis and treatment of disorders and diseases of the scalp and hair.
What is Trichology
What is Trichology
Alopecia = Hair Loss

Effluvium is hair fall at the anagen or telogen stages hair life cycle

Hair Loss Science

Hair Growth Stages
Hair Growth Stages

Hair Growth Cycles