Growth phase of the hair cycle, lasting about 3 to 6 years in human scalp hair. ... Origin: G. Ana, up, + -gen, producing ... (05 Mar 2000) ... Found on http://www.encyclo.co.uk/local/20973
The active growing phase of the hair cycle. It lasts approximately for 3 years with a range of 2-6 years. Found on http://www.encyclo.co.uk/local/21512