What's the difference between leech and letch?

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).

Letch


Definition:

  • (v. & n.) See Leach.
  • (n.) Strong desire; passion. (Archaic).

Example Sentences:

Words possibly related to "leech"

Words possibly related to "letch"