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Quarterly Journal of Microscopical Science, Vol s3-106, 131-136, Copyright © 1965 by Company of Biologists

Movement of Palisade in Locust Retinula Cells when Illuminated

G. A. HORRIDGE 1 and P.B. T. BARNARD 1

1 Gatty Marine Laboratory and Department of Natural History, The University, St. Andrews

In dark-adapted eyes cisternae of the endoplasmic reticulum collect near the rhabdom and form around it a functionally significant region 2 to 4 µ across, of lowered refractive index. In light-adapted eyes this structure is dispersed as vacuoles in the cytoplasm, and instead mitochondria are crowded round the rhabdom. Onion bodies up to 8 µ, in diameter occur in the retinula cell cytoplasm.






© The Company of Biologists Ltd 1965