(1) The faeces of forty-two were examined microscopically for nematode eggs.
(2) The propionyl-CoA condensing enzyme which catalyzes the first step in the biosynthesis of 2-methylbutyrate and 2-methylvalerate by Ascaris muscle appears to exist in at least three forms in the mitochondria of this parasitic nematode.
(3) Haematological and blood biochemical changes in the sheep, as well as fecundity of gastrointestinal nematodes, suggested the hosts were immunosuppressed.
(4) We have studied the organization of microtubules in neurons of the nematode Caenorhabditis elegans.
(5) At the external wall of the host's gut, parasitic cysts of this nematode with immature stages inside were also observed.
(6) Mice (C57BL) infected with the intestinal nematode Nematospiroides dubius showed depressed delayed type hypersensitivity responses to ovalbumin administered subcutaneously in Freund's complete adjuvant.
(7) Additionally, both nematode enzymes acetylated histamine, whereas dopamine and serotonin were not accepted as substrates.
(8) The study design of a project to investigate the epidemiology, population dynamics and control of intestinal nematode infections in fishing village communities in Southern India is described.
(9) Two control trials were conducted against Ae.samoanus larvae in Pandanus, one using a sand culture of the parasitic nematode Romanomermis culicivorax and the other with temephos, an organophosphate insecticide.
(10) Lesions associated with Philometroides huronensis in the white sucker (Catostomus commersoni) of southern Ontario occurred during the spring (April-June) and were related to the development and release of first-stage larvae from the gravid nematode.
(11) Hypoproteinaemia, attributed to serum albumin loss, was demonstrated seven weeks after infection, but this was not associated with the interaction of Cu deficiency and nematode infection.
(12) Five cases shown to be positive by traditional methods were negative in the agar plate method, and it was necessary to discriminate Strongyloides microscopically from other similar nematode larvae, especially in an area, such as northern Thailand, with a high prevalence of hookworms.
(13) Using bronchoalveolar lavage (BAL) we have retrieved soluble proteins and cells from the respiratory tract of rats given a primary or secondary infection with the nematode Nippostrongylus brasiliensis.
(14) Specific binding sites for ivermectin (IVM; 22,23-dihydroavermectin-B1) were identified and characterized in a crude membrane fraction prepared from the nematode, Caenorhabditis elegans (C. elegans).
(15) The association of SL-RNA and 5S rRNA genes in tandemly repeated units is also found in nematodes but paradoxically does not exist in trypanosomes which are phylogenically much closer to Euglena.
(16) We sought genes defining synaptic specificity by identifying mutations that alter synaptic connectivity in the motor circuitry in the nematode C. elegans.
(17) The nematode T. spiralis can survive for tens of years within the cytoplasm of the Nurse cell and secretes proteins into the cytoplasm that are believed to play a role in mediating the Nurse cell formation or maintenance.
(18) The nematodes infecting children by the oral way have a maximal incidence at the age of 3 to 6 years.
(19) A survey of gastrointestinal nematodes in Georgia cattle was conducted from 1968 through 1973 from actual worm counts from viscera of 145 slaughtered beef cattle or from egg counts made from fecal samples from 3,273 beef and 100 dairy cattle.
(20) This diversity is illustrated by a comparison of sex determination in three well-studied model organisms: the fruitfly Drosophila melanogaster, the nematode Caenorhabditis elegans, and the mouse.
Pinworm
Definition:
(n.) A small nematoid worm (Oxyurus vermicularis), which is parasitic chiefly in the rectum of man. It is most common in children and aged persons.
Example Sentences:
(1) At both sampling dates, the most heavily infected 25% of the community harboured over 90% of the total pinworms recovered.
(2) From 1967--1978 observations were made on the presence of the small equine pinworm, Probstmayria vivipara, in seven experimental ponies.
(3) Enuresis was more common in primary school-age children with high pinworm egg counts than in their non-infected contemporaries.
(4) No pinworm were recovered from mice in 17 of 18 cages with filter tops while mice in 12 of 16 cages without filter tops were infected.
(5) A spontaneous stercoral fistula containing pinworms was observed in a patient, 35 years after an appendicectomy.
(6) The pinworm is one of the most common intestinal parasites in humans.
(7) Still later, based on fecal and postmortem examinations, four of the seven ponies lost their pinworm burdens.
(8) Etiology was determined to be a viviparous pinworm-like nematode of the genus Proatractis (Family Atractidae).
(9) On rare occasions, pinworms have been found outside the gastrointestinal tract, most frequently in the peritoneal cavity.
(10) These compounds possess a significant degree of anthelmintic activity against the mouse pinworm Syphacia obvelata.
(12) The dominant fly species Chrysomya megacephala (Fabricius) carried eggs of the roundworm Ascaris lumbricoides L., the pinworm Trichuris trichiura (L.) and hookworm on the adult external body surface and in the gut lumen, in association with Bukit Lanjan aborigines.
(13) A diet level of 0.0004% reduced immature and mature pinworm by 99 and 75%, respectively but 0.0001% was inactive.
(14) The pinworm, Enterobius vermicularis, is the most common intestinal parasite in the primary care setting, regardless of race, socioeconomic or cultural circumstances.
(15) By that way, identity of both stages, as well as function of pinworms as Dientamoeba fragilis vectors were confirmed.
(16) Examination of 182 appendices containing Enterobius vermicularis demonstrated that male pinworms are seen more commonly than female.
(17) The low morbidity and high reinfection rate make routine treatment of pinworm infection in third world countries a low priority, except when clinically indicated.
(18) Such was the case in our patient who had anal pinworms (Enterobius vermicularis).
(19) A questionnaire demonstrated that the family status and personal hygiene are the most important factors in transmission of pinworm infection, among the group surveyed.
(20) The results of the present study indicate that monthly chemotherapy is the best method for controlling pinworm infections in these mountainous regions.