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  • D R Näsel
  • The Journal of comparative neurology
  • 1976
The retinular cell morphology and ommatidia arrangement in the crayfish retina are studied. Each ommatidium contains eight receptor cells (R1-R8). Seven of them (R1-R7) contribute to a large spindle-shaped rhabdom with orthogonal layers of microvilli. Distal to the rhabdom of R1-R7, the 8th receptor cell forms a separate rhabdom with horizontal microvilli.(More)
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