abnormal photoreceptor inner segment morphology long photoreceptor inner segment 2023-05-31T18:41:06Z increased photoreceptor inner segment length increased length of the photoreceptor 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 MP:0014247 increased length of the photoreceptor inner segment