in taxon Vertebrata <vertebrates> muscle organ intermandibularis TAO:0000369 UBERON:0010931 intermandibular muscle ZFA:0000369 Is a mandibular muscle that develops into the ventral intermandibularis anterior and posterior muscles. relationship loss: subclass hyobranchial muscles (AAO:0000224)[AAO] One of the principal muscles used in swallowing.[AAO] intermandibularis muscle AAO:0010647