abnormal retina cone cell morphology abnormal photoreceptor inner segment morphology abnormal retina cone cell inner segment morphology any structural anomaly of the retinal cone cell region which contains the machinery of the cell (mitochondria, golgi, endoplasmic reticulum, etc) and where opsin molecules are assembled and passed to be part of the outer segment region MPheno.ontology abnormal retinal cone cell inner segment morphology MP:0008448