zygomaticus major

noun

Medical Definition of zygomaticus major

: a slender band of muscle on each side of the face that arises from the zygomatic bone, inserts into the orbicularis oris and skin at the corner of the mouth, and acts to pull the corner of the mouth upward and backward when smiling or laughing

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Dictionary Entries Near zygomaticus major

zygomaticus

zygomaticus major

zygomaticus minor

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Cite this Entry

“Zygomaticus major.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/zygomaticus%20major. Accessed 27 Sep. 2021.

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