The nervous system of the pike-tapeworm Triaenophorus nodulosus (Cestoda: Pseudophyllidea) - ultrastructure and immunocitochemical mapping aminergic and peptidergic elementsстатья

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1. Полный текст biserova_et_al_1996.pdf 1,1 МБ 12 июля 2012 [nbiserova]

[1] The nervous system of the pike-tapeworm triaenophorus nodulosus (cestoda: Pseudophyllidea) - ultrastructure and immunocitochemical mapping aminergic and peptidergic elements / N. M. Biserova, M. K. Gustafsson, M. Reuter, N. B. Terenina // Invertebrate Biology. — 1996. — Vol. 115, no. 4. — P. 273–285. The nervous system of the adult pike-tapeworm Triaenophorus nodulosus was studied to identify nerve cells and fibers immunoreactive to serotonin (5-HT) and RFamide (RF) on whole-mount preparations and frozen sections. Neurons immunoreactive to 5-HT were seen solely in the central nervous system, while those immunoreactive to RF occurred in the peripheral nervous system as well as in the central nervous system. In the scolex, both types of nerve fibers were found. While the gonads were not innervated by either fiber type, the reproductive tract showed RF-immunoreactive nerves. On the ultrastructural level, five types of neurons and three types of release sites and a neuromuscular junction could be distinguished. Levels of 5-HT, measured spectrofluorimetrically, were found to be lower in the tapeworm than in the tissues where it resides in its host, indicating a possibility that the parasite absorbs this bioamine from its environment. Additional key words: 5-HT, RFamide, neuron types, neurotransmitter release sites, spectrofluorimetry.

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