Anagen (growth phase): Most hair is growing at any given time. Each hair spends several years in this phase. Catagen (transitional phase): Over a few weeks, hair growth slows and the hair follicle shrinks. Telogen (resting phase): Over months, hair growth stops and the old hair detaches from the hair follicle.
Definition of phylactic - A medicinal substance or remedy that protects from disease, toxicity, or infection. Definition of phylactic - A medicinal substance or remedy that protects from disease, toxicity, or infection.
Definition of PHYLOGENY. 1. : the evolutionary history of a kind of organism. 2. : the evolution of a genetically related group of organisms as distinguished from the development of the individual organism.3. : the history or course of the development of something (as a word or custom).See phylogeny defined for kids. ADVERTISEMENT.efinition of PHYLOGENY. 1. : the evolutionary history of a kind of organism. 2. : the evolution of a genetically related group of organisms as distinguished from the development of the individual organism. 3. : the history or course of the development of something (as a word or custom). See phylogeny defined for kids. ADVERTISEMENT.