A tube-like opening in the epidermis where the hair shaft develops and into which the sebaceous glands open[GO]. [ http://en.wikipedia.org/wiki/Hair_follicle ]

This is just here as a test because I lose it

Term information

database cross reference

uberon_slim, efo_slim, pheno_slim, organ_slim


Development notes:Formation largely takes place during fetal and perinatal skin development. However, after skin wounding de novo hair follicle formation may also occur in adult mouse and rabbit skin[DOI:10.1016/j.cub.2008.12.005].

depicted by


has related synonym

folliculus pili

homology notes

The earliest reliable record of hair is found in a fossil of the Paleocene period, in which the structure of hair cuticles is preserved. Its appearance suggests that the complicated structure of the hair follicle, closely similar to that of present-day mammals, had already appeared at this time.[well established][VHOG]