Summary
In the brain of Ophryotrocha puerilis swollen nerve endings filled with electron-lucent vesicles and aggregates of vesicles were observed. The vesicles do not resemble elementary neurosecretory granules. Tests for biogenic amines were negative; no dense-core vesicles were found. The vesicle type described here cannot be related to any of the types thus far found in nerve cells.
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Supported by Deutsche Forschungsgemeinschaft Pf116/3
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Grothe, C.B. Axon terminals with unusual vesicles in the brain of the polychaete, Ophryotrocha puerilis . Cell Tissue Res. 226, 237–240 (1982). https://doi.org/10.1007/BF00217098
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DOI: https://doi.org/10.1007/BF00217098