Annelid Ciliary Photoreceptors

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Science  14 May 1965:
Vol. 148, Issue 3672, pp. 965-966
DOI: 10.1126/science.148.3672.965


The photoreceptor cells of the tube-dwelling polychaete Branchiomma vesiculosum contain stacked disc-shaped membranous sacs which are the expanded and flattened outer membranes of cilia.

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