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At least 235 records · Page 13Linked to original sources
PubMed1983

Histochemical localization of esterases in Avitellina lahorea Woodland, 1927 (Cestoda: Anoplocephalida).

Specific and non-specific esterases have been localized in sections and whole mounts of Avitellina lahorea, an intestinal parasite of sheep and goats. Non-specific esterases (NSE) were found in the sucker muscles, post-acetabular ganglia, nerve trunks, tegument, excretory canals, cirrus sac, vagina, uterus and the inner membrane of the embryophore. Acetylcholinesterase (AChE) was observed in all the above organs, including vas deferens and sperm ducts, but was absent from excretory canals and eggs. Tests with acetylthiocholine iodide (AThChI) revealed the nervous system, vas deferens, sperm ducts, uterus, cirrus sac and the vagina. The intensity of activity of AChE and AThChI was weak compared to NSE.

Acetylcholinesterase↗
PubMed1987

Shedding of gravid proglottids and destrobilation in experimental infections of foxes with Mesocestoides leptothylacus Loos-Frank, 1980 (Cestoda).

The implications of the confused taxonomy of the genus Mesocestoides and the misuse of the name M. lineatus are described. In Southwest Germany rodents are intermediate hosts and red foxes are definitive hosts of M. leptothylacus. The shedding patterns of experimentally infected foxes showed that destrobilation occurs frequently and that there are long periods during which no gravid proglottids are shed at all. Lengths of worms can be taken as a measure of a possible crowding effect only when worms with gravid segments are present, i.e. at the end of the prepatent period (11 to 13 days) or at the beginning of a shedding period.

Animals↗
PubMed1987

In vitro effects of mebendazole on the carbohydrate metabolism of Avitellina lahorea (Cestoda).

Mebendazole (3.3 mumol), causes in vitro glycogen depletion and inhibits glucose uptake in Avitellina lahorea. Inhibition of non-specific phosphomonoesterases and adenosine triphosphatase by mebendazole discussed in the light of the role of phosphatases in uptake mechanisms. Mebendazole has no effect on hexokinase which has broad substrate specificity but influences the activities of some glycolytic enzymes such as phosphorylase, phosphoglucomutase and glucose-6-phosphatase. Thus, it appears that mebendazole also acts to disrupt certain enzymes of carbohydrate metabolism which may ultimately cause death of the parasite.

Acid Phosphatase↗
PubMed1984

Histochemical localization of phosphomonoesterases in Avitellina lahorea Woodland, 1927 (Cestoda: Anoplocephalida).

Non-specific and specific phosphatases have been histochemically localized in the tissues of Avitellina lahorea, an intestinal parasite of sheep and goats. Large quantities of acid phosphatase, alkaline phosphatase and adenosine triphosphatase were observed in almost all organs except the parenchyma where there were moderate amounts of acid phosphatase and no alkaline phosphatase; the reproductive ducts contained moderate amounts of alkaline phosphatase. 5-nucleotidase was observed only in the uterus, egg pouches and eggs and glucose-6-phosphatase activity was restricted to the tegument. The probable functions of these moieties at different sites are discussed.

5'-Nucleotidase↗
PubMed1976

Echinobothrium harfordi sp. nov. (Cestoda: Diphyllidae) from Raja naevus in the North Sea and English Channel.

Echinobothrium harfordi sp. nov. from the spiral intestine of Raja naevus in British waters is described and illustrated. The species most closely resembles E. affine as both possess two groups of eleven large apical hooks, but can be distinguished by fewer peduncle spines and by characteristics of the eggs. The intensity of infection in individual hosts was generally low, and although the incidence of infection was high in rays less than 35 cm in length, this fell towards zero in larger rays. The cestode showed a marked affinity for the first two tiers of the spiral intestine.

Animals↗