has part has part has_part characteristic of part of has modifier abnormal digastric muscle morphology abnormal digastric anterior belly morphology 2017-09-18T08:34:52Z any structural anomaly of the anterior belly of the digastric muscle which arises from a depression on the inner side of the lower border of the mandible called the digastric fossa, close to the symphysis, and passes downward and backward; the anterior body originates from the first pharyngeal arch and is supplied by the trigeminal via the mylohyoid nerve, a branch of the inferior alveolar nerve, itself a branch of the mandibular division of the trigeminal nerve abnormal digastric muscle anterior belly morphology MP:0030145 MPheno.ontology https://en.wikipedia.org/wiki/Digastric_muscle abnormal anterior digastricus morphology morphology abnormal anterior digastric muscle