erector

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Related to arrector: hair follicle

erector

[i′rek·tər]
(physiology)
Any muscle that produces erection of a part.
References in periodicals archive ?
The hair follicle is divided into three segments, infundibulum extending from the surface opening of the follicle to the level of level of the opening of its sebaceous gland, it is part of the pilosebaceous canal that is used as a route for the discharge of sebum; isthimus extending from the infundibulum to the level of insertion of arrector pili muscle.
The follicles also developed the correct structures and formed proper connections with surrounding host tissues such as the epidermis, arrector pili muscle and nerve fibers.
each follicle is associated with a holocrine sebaceous gland, and apocrine sweat gland and an arrector pilli muscle with no discernible follicle group but in sheep of present study both primary and secondary follicles were present in discernable follicle groups.
Infiltration of the arrector pili muscle is also a frequent occurrence (Figure 5).
Cuando nuestros ancestros estaban cubiertos de pelo, ciertos musculos en la piel--llamados Arrector pili--se contraian y hacian que el pelaje se levantara.
A high concentration of Merkel cells in the bulge prior to the attachment of the arrector pili muscle and the formation of the perifollicular nerve plexus in human fetal skin.
Goosebumps happen when the tiny muscles in each hair follicle, called arrector pili muscles, contract, says Dr.