| 释义 |
depressor septi nasi muscle
de·pres·sor sep·ti na·si mus·cle (dĕ-prĕs'ōr sep'tī nā'sī mŭs'ĕl) Origin, facial muscle of nose; a vertical fasciculus from maxilla superior to central incisor passing upward along median line of upper lip to insert into mobile part of nasal septum; action, works with alar (dilator) part of nasalis muscle to widen the nares during deep inspiration; depresses septum; nerve supply, buccal branch of facial.
Synonym(s): musculus depressor septi [TA] , depressor muscle of septum. |