Biological basis of the inception and evolution of baldness.
D000293:Adolescent; D000328:Adult; D000368:Aged; D000375:Aging; D000505:Alopecia / Q000209:etiology*; D006197:Hair / Q000033:anatomy & histology*; D006801:Humans; D008297:Male; D008853:Microscopy; D008859:Microscopy, Polarization; D008875:Middle Aged