has part has part has_part characteristic of has modifier abnormal maxillary prominence morphology enlarged maxillary prominence 2017-11-01T07:52:52Z enlarged embryonic maxillary process increased size of the paired dorsal prominences formed by bifurcation of the first pharyngeal arches in the embryo that unite with the ipsilateral medial nasal process to form the upper jaw MPheno.ontology enlarged maxillary process increased maxillary prominence size MP:0030345 abnormal increased size maxillary prominence