Arrector pili muscle

Details
NerveSympathetic postganglionic nerve fibers
Identifiers
TA98A16.0.00.024
TA27051
THH3.12.00.3.01041
FMA67821
Anatomical terms of muscle

The arrector pili muscles, also known as hair erector muscles,[1] are small muscles attached to hair follicles in mammals. Contraction of these muscles causes the hairs to stand on end,[2] known colloquially as goose bumps (piloerection).[3]

  1. ^ "Anatomy of the Skin | SEER Training". training.seer.cancer.gov. Retrieved 2021-01-21.
  2. ^ David H. Cormack (1 June 2001). Essential histology. Lippincott Williams & Wilkins. pp. 1–. ISBN 978-0-7817-1668-0. Retrieved 15 May 2011.
  3. ^ Fujiwara, Hironobu; Ferreira, Manuela; Donati, Giacomo; Marciano, Denise K.; Linton, James M.; Sato, Yuya; Hartner, Andrea; Sekiguchi, Kiyotoshi; Reichardt, Louis F.; Watt, Fiona M. (2011-02-18). "The Basement Membrane of Hair Follicle Stem Cells Is a Muscle Cell Niche". Cell. 144 (4): 577–589. doi:10.1016/j.cell.2011.01.014. ISSN 0092-8674. PMC 3056115. PMID 21335239.