has part has part has_part characteristic of has modifier abnormal retina inner plexiform layer morphology thick retina inner plexiform layer 2023-06-20T20:00:16Z increased retina inner plexiform layer thickness MP:0014265 increased retinal inner plexiform layer thickness increased thickness of the retinal cell layer where bipolar and amacrine cell axons synapse with ganglion cell dendrites thick retinal IPL abnormal increased thickness inner plexiform layer of retina