Arrector pili: A microscopic band of muscle tissue which connects a hair follicle to the dermis. When stimulated, the arrector pili will contract and cause the hair to become more perpendicular to the skin surface (stand on end).
CONTINUE SCROLLING OR CLICK HERE FOR RELATED SLIDESHOW

SLIDESHOW
Rosacea, Acne, Shingles, Covid-19 Rashes: Common Adult Skin Diseases See SlideshowHealth Solutions From Our Sponsors
Last Editorial Review: 12/4/2018