Hair bulbs and mid-segments of hair follicles were micro-dissected from human scalp skin tissues.

<p>(A) Pigmented (left) and unpigmented (right) whole anagenic hair follicles; (B) Each hair follicle was further excised using an ophthalmic scalpel under a stereoscope to harvest hair bulbs and mid-segments, as indicated by the arrows (left). Schematic view (right) showing the histological structures corresponding to hair bulbs and mid-segments of hair follicles. Scale bar = 1 mm.