Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Micrographs various shapes of hair roots from different regions of females (a-d) and males (e-h). Scalp hairs from both females (a) and males (e) showed club-shape, male eyebrow roots were rod-like (b), male eyebrows (f) and female axillary roots (c) were cylindrical. Female (d) and male (h) pubic roots were convex and snake-like, respectively. The scale bar is 72 μm for a–d, g, and h. Scale bar for e and f is 150 μm
