(n.) Any worm belonging to the Plathelminthes; also, sometimes applied to the planarians.
Example Sentences:
(1) New Guinea flatworms measure about 5cm long by 5mm wide.
(2) Rice fields that have abundant mosquito populations lack flatworms.
(3) Platydemus manokwari has a distant cousin, the New Zealand flatworm ( Arthurdendyus triangulatus ), which has triggered an invasive-species scare in western Europe.
(4) Three topics are dealt with in some detail: (1) the behavior of the insect vectors of such diseases as malaria and trypanosomiasis; (2) the intermediate hosts of helminths whose behavior is affected in such a way as to make them more susceptible to predation by the definitive host in the life cycle; and (3) the behavior and fecundity of molluscs infected with asexually reproducing parasitic flatworms.
(5) tetrodotoxin distribution in various tissues of the flatworm Planocera multitentaculata was examined.
(6) It was suggested from these findings that flatworms possess tetrodotoxin as a defense or alarm substance against predators.
(7) On the Mekong, Carlo noted rocks that were the natural habitat of tiny snails acting as intermediate hosts of the flatworm.
(8) The schistosome homeodomain sequences are more similar to the higher animals sequences in their respective classes than they are to each other, indicating that the establishment of these three distinctive classes is at least as ancient as the flatworms.
(9) "It is therefore important to consider the implementation of eradication and control of this flatworm."
(10) Although the flatworms and nemertean worms possess a pseudocoelom, a progressive differentiation of several leukocytic types occurred.
(11) The nature of sugar transport in schistosomes and other flatworms is similar to that in vertebrates.
(12) The warning is being sounded over a voracious species called the New Guinea flatworm.
(13) Carlo's work led to innovative approaches in the control of Schistosoma mekongi, a parasitic flatworm causing intestinal schistosomiasis, transmitted only on the river Mekong.
(14) These antisera give positive IR in more advanced flatworm species, indicating a later convergent evolution of vertebrate-like peptides within the phylum Platyhelminthes.
(15) The manner in which the flatworm, Hymenolepis diminuta (Cestoda), regulates the transport of glucose and Na+ across the brush border was examined.
(16) Intestinal protozoa, roundworms, and flatworms are considered with regard to pathogenic, potential and duration of infection.
(17) In flatworms, sensilla that penetrate the syncytial epidermis bear sensory processes derived from cilia.
(18) In this paper we report the discovery of a population in which such limb abnormalities appear to be caused by a parasitic flatworm (trematode) that uses amphibians as intermediate hosts.
(19) A variety of spontaneously active units was measured in the brain of the polyclad flatworm Freemania litoricola.
(20) A tetrodonic acid-like substance which was hardly distinguishable from authentic tetrodonic acid in thin-layer chromatography, high performance liquid chromatography, etc., was successfully purified from the ribbon worm and flatworm by a method consisting mainly of Bio-Gel P-2 column chromatography.
Parasitic
Definition:
(a.) Alt. of Parasitical
Example Sentences:
(1) The rise of malaria despite of control measures involves several factors: the house spraying is no more accepted by a large percentage of house holders and the alternative larviciding has only a limited efficacy; the houses of American Indians have no walls to be sprayed; there is a continuous introduction of parasites by migrants.
(2) However, ticks, which failed to finish their feeding and represent a disproportionately great part of the whole parasite's population, die together with them and the parasitic system quickly restores its stability.
(3) One thousand nineteen Wyoming ground squirrels (Spermophilus elegans elegans) from 4 populations in southern Wyoming were examined for intestinal parasites.
(4) Ten or 4% of the administered parasites passed in the feces during the 3 days following the first or second infection, but 32% after the third infection.
(5) However, the degree of inhibition of parasite replication after exposure to rMu-GM-CSF was not as great as after treatment with rMu-IFN-gamma, and much more rMu-GM-CSF than rMu-IFN-gamma was required to achieve an equivalent antimicrobial effect.
(6) Filipin-induced lesions in glutaraldehyde-fixed parasites indicated higher levels of beta-hydroxysterols in the amastigote than in the promastigote plasma membrane, and in the promastigote flagellar membrane than in the body membrane.
(7) 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.
(8) The time to recovery of full consciousness, time to parasite clearance, and mortality were examined with Cox proportional-hazards regression analysis.
(9) In addition, a redistribution of cellular controls of the host reaction to parasites may act as a complementary mechanism for establishment of the viable equilibrium between host and parasite.
(10) symptoms, bowel habits, normal physical examination, absence of intestinal infections or parasites) b) physiopathological evaluation (hyperactivity of the distal colon, hypersensitivity to stimuli, stress), and c) physiological evaluation of the patient.
(11) Parasite antigen was present in sera from all infected animals before treatment.
(12) We have found intrathrombocytic parasites of Plasmodium vivax (in 10% of men naturally infected) and P berghei (in 53% of mice experimentally infected); these were both merozoites and trophozoites.
(13) they are shown to inhibit in vitro the release of iron from acidified host cell cytosol, consisting mostly of hemoglobin, a process that could provide this trace element to the parasite.
(14) Phagocytosis of normal or parasitized red cells was not observed.
(15) A radical rearrangement of the organism occurred gradually: initially oval in shape, the parasite became round, then elongated, flattened, and underwent cytokinesis.
(16) The parasites were highly aggregated within the study community, with most people harbouring low burdens while a few individuals harboured very heavy burdens.
(17) Discovery of this vectorhost-parasite system in the Americas, and the localization of promastigote flagellates (leptomonads) in the hindgut of the vector, should assist in clarifying interpretative problems associated with infection of wild-caught flies in studies on leishmaniasis in the Americas and elsewhere.
(18) At the external wall of the host's gut, parasitic cysts of this nematode with immature stages inside were also observed.
(19) All three parasite lines required sialic acid for optimal invasion, but Thai-2 parasites cultured in Tn erythrocytes invaded neuraminidase-treated erythrocytes with 45% efficiency whereas Camp parasites invaded neuraminidase-treated erythrocytes with less than 10% efficiency.
(20) Pretreatment of G6PD(+) cells with ascorbate caused a slight enhancement in parasite development, while in G6PD(-) cells a suppressive effect on the plasmodia was demonstrated.