35 citations
,
March 2014 in “British Journal of Dermatology” This study found that in androgenic alopecia, the arrector pili muscle degenerates and is replaced by fat, unlike in normal skin or telogen effluvium.
31 citations
,
January 2014 in “International Journal of Trichology” This review summarizes the anatomy and physiology of the arrector pili muscle and discusses its potential role in hair loss disorders, reporting no new clinical results.
24 citations
,
September 2002 in “Dermatologic Surgery” This study describes the anatomy of arrector pili muscles in scalp hair follicular units, proposing a model where a single muscle structure is shared by all follicles within a unit.
22 citations
,
July 2012 in “International Journal of Trichology” This study found that loss of contact between the arrector pili muscle and the hair follicle bulge may explain why hair loss in male and female pattern baldness is largely irreversible, unlike in alopecia areata.
14 citations
,
July 2016 in “Anatomical Science International” This study revealed that in androgenic alopecia, the proximal attachment of the arrector pili muscle to the hair follicle is often lost or significantly reduced.