Medical Definition of Caput zygomaticum quadrati labii superioris
1.
Origin, zygomatic bone posterior to zygomaticomaxillary suture; insertion, orbicularis oris of upper lip; action, draws upper lip upward and outward; nerve supply, facial.
Synonym: musculus zygomaticus minor, caput zygomaticum quadrati labii superioris, lesser zygomatic muscle.
(05 Mar 2000)
Lexicographical Neighbors of Caput Zygomaticum Quadrati Labii Superioris
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