noun. A muscle that acts to modify a body or bodily limb by making a part progress away from the core of the body.

ABDUCTOR: "The abductor digiti quiniti muscle can be found in your foot and acts to move one's fifth and smallest toe away from the rest of the foot."
Cite this page: N., Pam M.S., "ABDUCTOR," in PsychologyDictionary.org, April 7, 2013, https://psychologydictionary.org/abductor/ (accessed October 18, 2021).