(n.) An intestinal worm, or wormlike intestinal parasite; one of the Helminthes.
Example Sentences:
(1) This preliminary study estimates the occurrence of concurrent helminth infection in Africa and Brazil to determine whether such an approach is justified epidemiologically.
(2) All four significantly affected helminth motor activity and were active at 200 and 150 micrograms ml-1, and three of the four were active at 100 and 50 micrograms ml-1.
(3) It is suggested that this early immune maturity may play a role in the hardiness of WAD goats and in their relative resistance to helminth and protozoan infection as compared with local sheep.
(4) The presence of helminthic invasion of the liver--opisthordiasis resulted in hepatitis, pancreatitis that would not respond to therapy in patients with ALMS.
(5) Halogenated anthelmintics were not metabolized to GSH conjugates in the helminths studied and did not inhibit GSH-S-aryltransferase activity towards chlorodinitrobenzene.
(6) The possibility that the activities observed may contribute to the elimination of peroxide in the helminth system is considered.
(7) Our results indicated that analyses of helminth communities of deer from this geographical area do not provide a useful quantification technique for determining deer condition, degree of hybridization, or levels of intraspecific competition.
(8) Much more fundamental information on helminth-bovine interactions, on helminth antigens, and on cattle antibody systems must be developed before progress on control of cattle helminths by vaccination can be meaningful.
(9) The predominant helminth was Ancylostoma duodenale, with the peak prevalence (65.2%) in patients older than 18 years, followed by Ascaris lumbricoides and Strongyloides stercoralis.
(10) Recently we described a mathematical model of the role of acquired immunity in host-helminth interactions.
(11) In addition, a number of antiparasitic agents have been shown to exert their actions through a free radical metabolism: nitro compounds used against trypanosomatids, anaerobic protozoa and helminths; crystal violet used in blood banks to prevent blood transmission of Chagas' disease; the antimalarial primaquine, chloroquinine, and quinhasou; and quinones active in vitro and in vivo against different parasites.
(12) Results of the infection of golden hamsters with different dozes of cercariae have shown that with the increase of dozes of infectious material the infection rate of helminths rises during the experimental intestinal schistosomiasis only to a definite level, which is attained by the injection of cercariae into the portal vein in dozes lower than those used for subcutaneous infection.
(13) Total parasitic helminth burdens, which were never large, were determined in order to define their seasonal incidence.
(14) Out of a total of 140 male and 114 female dogs sampled for gastro-intestinal helminth ova, 122 males (87.14%) and 101 females (88.59%) respectively were infested.
(15) Cuban mosquitoes are an important factor in the transmission of both viral and protozoal and helminthic diseases.
(16) A total of 91 free-ranging black bears (Ursus americanus) from the Peace River region of northwestern Alberta was examined for helminths.
(17) Levamisole and Banminth affected the motility of the helminth larvae with subsequent death after 24h.
(18) A significant association was also found between distance from a river and prevalence of S. haematobium (r = 0.94) and S. mansoni (r = 0.95) (P less than 0.01), but not with the other helminth infections.
(19) In addition to the known human pathogenic helminths H. nana and H. diminuta, localized foci of hookworms (Ancylostoma spp.)
(20) The observation, in parasitic protozoa and helminths, that selfing or non-obligatory mating is a common feature suggests that these processes may be strategies to overcome the cost of meiosis.
Helminthology
Definition:
(n.) The natural history, or study, of worms, esp. parasitic worms.
Example Sentences:
(1) The helminthological diagnosis is based on the enrichment methods of flotation.
(2) The inteseffectiveness and extenseffectiveness of the treatment with the tested preparations were examined on the fifteenth day after invasion; the examination was based on the findings of ascarids in the helminthological dissection performed 48 hours on the findings of ascarids in the melminthological dissection performed 48 hours after therapy.
(3) As result of sanitary-helminthological studies it has been found out, that under the conditions of urban agglomeration a great number of dogs, their uncontrolled maintenance and access to various objects induce intensive environmental pollution with zoohelminthologic causative agents and provides a high risk of infection of the population with causative agents of such diseases as toxocariasis++ and echinococcosis.
(4) A helminthological study of stool and urine samples from 1037 people from 4 rural communities in Gumau District of Bauchi State, Nigeria, was carried out using formol-ether concentration and direct centrifugation methods respectively.
(5) The authors suggested differentiation in sanitary helminthological assessment of fish invasion rate by D. latum and D. dendriticum plerocercoids.
(6) Emphasis is placed on the advances in helminthology and especially the gastro-intestinal parasites of ruminants, an obvious selection because of the interests of the author.
(7) The helminthological investigations were conducted from May 6 to May 28, 1972 in the Karaginsk Gulf of the Bering Sea.
(8) The collection, started in 1892 by Charles Wardell Stiles and Albert Hassall, now includes several constituent collections: The USNM Helminthological Collection, The USDA Parasite Collection, The Hoffman-Bangham Collection of Parasites of Freshwater Fish, and The Southeastern Cooperative Wildlife Diseases Study Collection of Parasites of White-tailed Deer.
(9) A helminthological survey of 149 house rats in Jodhpur during the year 1975 revealed infection with 8 helminth species: 4 cestodes, Vampirolepis fraterna, Hymenolepis diminuta, Mathevotaenia symmetrica and Taenia taeniaeformis (larval stage); 3 nematodes, Aspiculuris pakistanica, Rictularia ratti and Syphacia sp.
(10) Helminthological curing in patients with chronic opisthorchiasis was not shown to normalize dysfunction of the small intestine.
(11) The paper comprises a list of the nematode type specimens deposited in the helminthological collection of the Institute of Parasitology, Czechoslovak Academy of Sciences, in Ceské Budĕjovice.
(12) Eleven trials were conducted to collect helminthologic and pathologic data from 27 conventionally reared (CR) and 53 specific-pathogen-free (SPF) 6- to 13-week-old male New Zealand White rabbits.
(13) In the years 1973-1981 6,530 foreigners from 98 non-European nations were examined helminthologically by means of 15,288 koproovoscopic samples of stool.
(14) The helminthologic recovery of the patients with protracted opisthorchiasis did not entail complete normalization of the function of the small intestine and thus required therapeutic correction.
(15) The establishment of Trichostrongylus colubriformis was estimated in helminthologically naive 20-week-old Merino sheep given third stage infective larvae (L3) at rates of 2000, 632 or 200 L3 per day, 5 days per week.
(16) Low efficiency (0.5% of positive results) was found in the sanitary helminthological examination of utensils, which had been performed at the pediatric institutions.
(17) The paper contains results of helminthological studies on ruminants introduced into Czechoslovakia from other regions and continents.
(18) After having adopted the law on the protection of animal world, mass helminthological dissections became impermissible++.
(19) The author recommends helminthological examinations only in indicated cases.
(20) So far enterobiasis control in the Republic has been focussed on the isolation and treatment of the invaded persons, as well as on the sanitary helminthological control over the environment.