musculus quadratus labii superioris

mus·cu·lus quad·ra·tus la·bi·i su·pe·ri·o·ris

composed of three heads usually described as three separate muscles: they are the caput angulare or levator labii superioris alaeque nasi muscle; caput infraorbitale or levator labii superioris muscle; and caput zygomaticum or zygomaticus minor muscle.
Farlex Partner Medical Dictionary © Farlex 2012

quad·ra·tus la·bi·i su·pe·ri·or·is mus·cle

(kwah-drā'tŭs lā'bē-ī sū-pēr-ē-ō'ris mŭs'ĕl)
Composed of three heads usually described as three separate muscles: the caput angulare, or levator labii superioris alaeque nasi muscle; caput infraorbitale, or levator labii superioris muscle; and caput zygomaticum, or zygomaticus minor muscle.
Synonym(s): musculus quadratus labii superioris.
Medical Dictionary for the Health Professions and Nursing © Farlex 2012
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