Fig. 1
From: Ciliary photoreceptors in sea urchin larvae indicate pan-deuterostome cell type conservation
Spatial expression of rx and opsin 3.2 in photoreceptors of sea urchin larvae. A, A’, A”, A”’ WMISH showing the expression of rx on the oral side of the apical organ at 72 h. B, B’, B”, B”’ WMISH for opsin3.2 expression. C, C’, C” Double-fluorescent WMISH for rx (magenta, C) and opsin3.2 (green, C’), overlay shown in C”. Arrowhead indicates photoreceptors. M, mouth; AO, apical organ; OV, oral view; RLV, right lateral view; LLV, left lateral view; AV, apical view