(n.) Any worm of the genus Lumbricus and allied genera, found in damp soil. One of the largest and most abundant species in Europe and America is L. terrestris; many others are known; -- called also angleworm and dewworm.
(n.) A mean, sordid person; a niggard.
Example Sentences:
(1) It also strongly inhibited non-plasmic fibrinolysis with human leukocyte proteinase and earthworm proteinase.
(2) Monitoring of DDT and HCH residues in abiotic and biotic components of the environment of Delhi during 1988 to 1989 revealed low to moderate levels of these insecticides in soil, earthworms, birds, buffalo milk, water, freshwater clams, fish, human fat, human blood and breast milk samples.
(3) It was concluded that it is possible to substitute 30% of the protein in the diet of growing rabbits, with earthworm meal, without any adverse physiological effects.
(4) The complete nucleotide sequence of the gene for chain c of hemoglobin of the earthworm Lumbricus terrestris has been determined.
(5) For copper and dichloroaniline earthworms did recover cocoon production to a level as high as the control level or even higher; in case of pentachlorophenol, cocoon production was still reduced after 3 weeks in clean soil.
(6) The present results indicate that the toxicity and bioaccumulation and therefore the bioavailability of chlorophenols in soil to earthworms are dependent on the concentration in soil solution and can be predicted on the basis of adsorption data.
(7) In the cerebral ( = supraesophageal, suprapharyngeal) ganglion of the earthworm, a number of neurosecretory Gomori-positive perikarya are bipolar; others are unipolar, or multipolar.
(8) Such an activity is not inhibited by zymosan, inulin or lipopolysaccharide (LPS), nor by hydrazine or methylamine, suggesting that earthworm hemolysins are not related to C3 or C3b complement components.
(9) Proteinase-inhibiting components of the coelomic fluid of the earthworm Lumbricus terrestris were examined.
(10) Nerve fibres and cell bodies displaying vasoactive intestinal polypeptide (VIP) or pancreatic polypeptide (PP) immunoreactivity were demonstrated in ganglia of the earthworm (Lumbricus terrestris).
(11) The dorsal openings in the myelin sheath of the median giant fiber (MGF) of the earthworm (Lumbricus terrestris L.) have been studied with electronmicroscopical and electrophysiological methods.
(12) These results suggest that earthworm powder represents a possible oral thrombolytic agent.
(13) Chloragocytes and intestinal tissue showed significantly higher lead levels in contaminated earthworms than in control material.
(14) High concentration of lead in the soil does not favour increased accumulation of lead in the earthworms' organisms.
(15) The snakes were fed diets consisting of earthworms, Lumbricus terrestris, and mosquitofish, Gambusia affinis.
(16) Traditional formulations of the roles of supra- and subpharyngeal ganglia in the earthworm's behavior were reinvestigated with the use of saline rather than light as the aversive stimulus.
(17) This information on lymphocytic, granulocytic and inclusion-containing coelomocytes is crucial to understanding more about cellular immunity in the earthworm.
(18) Toxicity values were obtained for pentachlorophenol (PCP) and other compounds in the standard OECD and EEC earthworm test.
(19) A gavage technique has been developed that permits the administration of water-soluble and lipid-soluble test chemicals in spite of the extremely low level of triglyceride lipase activity in the earthworm gut.
(20) Conjugation with glutathione catalysed by glutathione S-transferases may consequently be an important detoxification mechanism in earthworms.
Flatworm
Definition:
(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.