has part has part has_part characteristic of part of has modifier abnormal dorsal telencephalic commissure morphology abnormal hippocampal commissure morphology abnormal commissure of fornix MPheno.ontology abnormal delta fornicis abnormal ventral hippocampal commissure any structural anomaly of the triangular subcallosal plate of commissural fibers resulting from the converging of the right and left fornix bundles which exchange numerous fibers and which curve back in the contralateral fornix to end in the hippocampus of the opposite side MP:0008221 abnormal commissure fornicis abnormal commissure hippocampi abnormal hippocampus commissure abnormal vhc morphology abnormal hippocampal commissure