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Observations by Electron Microscopy on the Structure of an Acephaline Gregarine (Apolocystis elongata, Phillips and MacKinnon)

Abstract

Apolocystis elongata lies in the seminal vesicles of the worm Eisenia foetida (Sav.). As we have seen by light microscopy, Apolocystis possesses a cuticle thickly covered by a pile of short hair-like processes each about 4µ long and 0.5µ thick. The processes do not show obvious signs of movement. The animal is a passive feeder. In our investigation by electron microscopy we have been particularly interested in determining the ultra-structural organization of the body-wall and hair-like processes.

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LACY, D., MILES, H. Observations by Electron Microscopy on the Structure of an Acephaline Gregarine (Apolocystis elongata, Phillips and MacKinnon). Nature 183, 1456–1457 (1959). https://doi.org/10.1038/1831456a0

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