part of part of chordate pharyngeal muscle digastric muscle group muscle of digastric group digastric belly of digastric Either of the two muscles that comprise the digastric group (anterior or posterior). digastric belly UBERON:0010940 SCTID:360772008 digastric muscle FMA:46297 belly of digastric muscle muscle body proper of digastric digastricus skeletal muscle organ, vertebrate