What's the difference between drain and leech?

Drain


Definition:

  • (v. t.) To draw off by degrees; to cause to flow gradually out or off; hence, to cause the exhaustion of.
  • (v. t.) To exhaust of liquid contents by drawing them off; to make gradually dry or empty; to remove surface water, as from streets, by gutters, etc.; to deprive of moisture; hence, to exhaust; to empty of wealth, resources, or the like; as, to drain a country of its specie.
  • (v. t.) To filter.
  • (v. i.) To flow gradually; as, the water of low ground drains off.
  • (v. i.) To become emptied of liquor by flowing or dropping; as, let the vessel stand and drain.
  • (n.) The act of draining, or of drawing off; gradual and continuous outflow or withdrawal; as, the drain of specie from a country.
  • (n.) That means of which anything is drained; a channel; a trench; a water course; a sewer; a sink.
  • (n.) The grain from the mashing tub; as, brewers' drains.

Example Sentences:

  • (1) In one of the cirrhotic patients, postmortem correlation of sonographic, angiographic, and pathological findings showed that the dilated vessels seen on sonography were cystic veins draining normally into the portal vein rather than portosystemic anastomoses.
  • (2) Intraperitoneal drain should therefore be used when choledochus has been explored.
  • (3) It is usually associated with a left superior caval vein draining into the coronary sinus and is frequently part of a complex congenital malformation of the heart.
  • (4) Ovarian venous concentrations of these four steroids from the side draining the tumor-bearing ovary were increased in 40 to 80% of the women.
  • (5) Radioactive lactic acid was detected in the drained perfusion solution with D(U-14C)-glucose, but not when D(U-14C)-fructose was used.
  • (6) Draining of thin films has thus a dehydrating effect as well as a sorting and ordering effect.
  • (7) Regarding ureters read as true positives on indirect study, if that ureter has ever shown reflux at any time, or if it drained a scarred kidney specificity was improved to 97% without changing the sensitivity.
  • (8) In tests on 13 cells pacing at a 200 mua drain without recharging, the simulated mean duration of pacing before total discharge was 4.8 years.
  • (9) An abscess of a lingual tonsil should be drained under general anesthesia, and lingual thyroid should be treated conservatively unless it produces obstructive symptoms.
  • (10) Among them 8 cases were coelio-drained for 24 hours with very little thin bloody drainage.
  • (11) Lymphocytes obtained from lymph nodes draining foot pads infected with R. conorii or R. akari demonstrated cross-reactivity similar to that found with immune spleen cells.
  • (12) The experiments show that the single cephalad channel venous island flap is perfused by and drains through its single cephalad vein.
  • (13) But it has a tainted reputation: the 2007 foot and mouth outbreak was traced to a leak from Pirbright’s drains.
  • (14) The well drained soils of the Suiá--Missu forest are very uniform, deep latosols (oxisols) of very dystrophic nature with pH (in water) between 4.0 and 5.0 (see table 2, p. 203).
  • (15) That would mark a controversial break from its existing policy, whereby the ECB offsets bond purchases by draining liquidity from the system in separate operations.
  • (16) In 13 growing pigs (mini-pigs) all veins draining the head of femur were ligated intra-abdominally.
  • (17) However, we demonstrate that topical exposure to DNTB causes activation of the draining lymph node in mice and the induction of contact sensitization in both rodents and a single human volunteer.
  • (18) The malformations over the surface drain into the superior sagittal sinus.
  • (19) Our current recommendation for initial treatment is excision of the primary tumor followed by irradiation with generous fields to include the primary tumor site and draining regional lymphatics to doses of 46-50 Gy in 2 Gy fractions.
  • (20) The region was perfused at constant flow through the aorta and drained at constant pressure from the inferior vena cava.

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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