has muscle origin has muscle insertion facial muscle depressor labii inferioris FMA:46816 A muscle of facial expression, innervated by the facial nerve, attached to the skin of the lower lip, orbicularis oris muscle, and mandible, and superficial and lateral to the mentalis muscle. See Diogo et al., 2009; Burrows et al., 2011). NCIT:C53152 UBERON:0001581 Wikipedia:Depressor_labii_inferioris_muscle MA:0002287 MFMO:0000123 mandible lower lip chin orbicularis oris muscle digestive system element lateral structure