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Acetylcholinesterase secretion by parasitic nematodes. III. Oesophagostomum spp

, : Acetylcholinesterase secretion by parasitic nematodes. III. Oesophagostomum spp. International Journal for Parasitology 3(5): 609-618

Acetylcholinesterase (AChE) activity in Oesophagostomum radiatum increased markedly during the 4th and early 5th stages and thereafter remained relatively constant in the mature parasites. 4th-stage O. radiatum released AChE steadily for 4 hours in vitro in a saline medium. Whereas the excretory glands of O. radiatum appeared to be the major site of AChE secretion, the highest concentration of the enzyme in O. venulosum was found in the cephalic tissues.


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