innervated by innervated_by has muscle origin has muscle origin facial nerve maxilla nasal muscle depressor septi nasi http://upload.wikimedia.org/wikipedia/commons/6/6c/Musculusdepressorseptinasi.PNG depressor alae nasi musculus depressor septi nasi depressor alæ nasi Wikipedia:Depressor_septi_nasi_muscle The depressor septi (Depressor alE nasi) arises from the incisive fossa of the maxilla. Its fibers ascend to be inserted into the nasal septum and back part of the alar part of nasalis muscle. It lies between the mucous membrane and muscular structure of the lip. FMA:46777 depressor septi depressor septi nasi muscle SCTID:244733006 UBERON:0008589