depressor septi nasi muscle

(redirected from Depressor septi)

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.
Medical Dictionary for the Health Professions and Nursing © Farlex 2012
References in periodicals archive ?
For plunged tip of the nose, the depressor septi nasi muscle and the nasalis muscle are paralyzed by injection at the nose tip and the alar part of the nasalis muscles.
The depressor septi nasi was released by blunt dissection in patients with a drooping nasal tip.
The direct influence of the depressor septi and the levator labii superioris alaeque nasi on the nasal valve is not yet clear.