What's the difference between earthworm and leech?

Earthworm


Definition:

  • (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.

Leech


Definition:

  • (n.) See 2d Leach.
  • (v. t.) See Leach, v. t.
  • (n.) The border or edge at the side of a sail.
  • (n.) A physician or surgeon; a professor of the art of healing.
  • (n.) Any one of numerous genera and species of annulose worms, belonging to the order Hirudinea, or Bdelloidea, esp. those species used in medicine, as Hirudo medicinalis of Europe, and allied species.
  • (n.) A glass tube of peculiar construction, adapted for drawing blood from a scarified part by means of a vacuum.
  • (v. t.) To treat as a surgeon; to doctor; as, to leech wounds.
  • (v. t.) To bleed by the use of leeches.

Example Sentences:

  • (1) Leech saliva inhibits superoxide production by neutrophils stimulated by tetradecanoyl phorbol acetate or polyhistidine.
  • (2) We compared the molecular nature of the rat brain opiate receptor with that of the invertebrate leech, Haemopis marmorata, and the protozoan, Tetrahymena, in order to examine the issue of apparent receptor heterogeneity with respect to biochemical structure.
  • (3) Serotonin plays an obligatory role in the initiation and expression of leech feeding behavior by its differential modulation of central neuronal networks and peripheral glands and muscles.
  • (4) Leech-treated flaps showed poorer reperfusion than untreated flaps.
  • (5) Thus, even though normal leech development comprises a nearly invariant cell lineage, lineage relationships are open to considerable reorganization under experimental conditions.
  • (6) When I first saw the video I instantly recognised something about the voice,” Leech said.
  • (7) Touch (T) sensory neurons in the leech innervate defined regions of skin and synapse on other neurons, including other T cells, within the ganglionic neuropil.
  • (8) Sensory processing in the local bending reflex of the leech (Hirudo medicinalis) was studied by examining the input-output relations of the reflex.
  • (9) Blood meal size increases slightly with leech size: 8.4 g for 1-g leeches and 9.7 g for 2-g leeches.
  • (10) Leech AP neurons react to axotomy by increasing excitability and resting potential of the cell body membrane.
  • (11) Antistasin is a 119-amino acid protein initially isolated from salivary glands of the Mexican leech, Haementeria officinalis, that exhibits potent anticoagulant properties resulting from selective inhibition of blood coagulation factor Xa.
  • (12) Mark Leech, editor of ConVerse , the national newspaper for prisoners, said the former MP should expect "to find himself in a prison reception that is cramped, cold and busy – with up to 200 prisoners being processed each day".
  • (13) The use of leeches and blood letting of 100 years ago may seem absurd by today's standards.
  • (14) We were able to record large signals without averaging from barnacle and leech neurons.
  • (15) There are at least three hirudin transcripts detectable in leech RNAs that are different in size, site of synthesis, inducibility by starvation, and relationship to hirudin activity.
  • (16) A combined action of acetylcholine and serotonin is demonstrated to produce, in ultrastructure of the Retzius neuron of the leech, changes similar to those resulted from synaptic activation.
  • (17) The authors conclude that the use of medicinal leeches shows promise as a safe and effective method of providing temporary venous drainage in replanted digits.
  • (18) The possibility of leech endoparasitism should not be overlooked in people presenting with epistaxis or hemoptysis and a history of recent contact with fresh water lakes or streams in tropical regions.
  • (19) Individual mechanosensory neurons in the leech segmental ganglia were eliminated in vivo by intracellular Pronase injection.
  • (20) 3), was developed using the powerful musculature of the common leech (Haemopis sanguisuga).

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