ZYGOMATICUS

1

the group of muscles, innervated by the facial nerve, which initiates the motion of the upper lip upward, backward, and outward. Its activity is documented in analyses of feeling.

ZYGOMATICUS: "Tomorrow, we will be covering the section in your textbook supplement on zygomaticus."
Cite this page: N., Sam M.S., "ZYGOMATICUS," in PsychologyDictionary.org, April 29, 2013, https://psychologydictionary.org/zygomaticus/ (accessed June 28, 2022).

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