start stage end stage short single cone cell UV-sensitive cone ultraviolet-sensitive cone zebrafish_anatomy ZFA:0005948 ceriv Retinal cone cell with the shortest outer segment that is located below the outer segments of the adjacent double cone cells. The short single cone cell is sensitive to UV light and has pronounced endoplasmic reticulum in electron micrographs. 2021-07-09T11:10:25Z retinal cone cell unknown adult