levator veli palatini (muscle)(redirected from musculus petrostaphylinus)
le·va·tor ve·li pa·la·ti·ni (mus·cle)[TA]
muscle of soft palate; origin, apex of petrous portion of temporal bone and lower part of cartilaginous pharyngotympanic (auditory) tube; insertion, aponeurosis of soft palate; action, raises soft palate; through the expansion of its fleshy belly during contraction, it helps to "push" open the auditory tube for equilibration of pressure; nerve supply, pharyngeal plexus (cranial root of accessory nerve).
Synonym(s): musculus levator veli palatini [TA], (elevator) muscle of soft palate, levator palati (muscle), musculus levator palati, musculus petrostaphylinus
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