(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).
Roach
Definition:
(n.) A cockroach.
(n.) A European fresh-water fish of the Carp family (Leuciscus rutilus). It is silver-white, with a greenish back.
(n.) An American chub (Semotilus bullaris); the fallfish.
(n.) The redfin, or shiner.
(n.) A convex curve or arch cut in the edge of a sail to prevent chafing, or to secure a better fit.
(v. t.) To cause to arch.
(v. t.) To cut off, as a horse's mane, so that the part left shall stand upright.
Example Sentences:
(1) Possible functional implications for color vision of neuropeptide-specific amacrine cells with uniform morphology in all three species and those with a more varied morphology in the tetrachromatic roach are discussed.
(2) The toxicities of Raid Max Roach Bait (sulfluramid) and COMBAT Roach Control System (hydramethylnon) to susceptible and field-collected German cockroaches were examined.
(3) If a phrase that expresses a comment about a noun can be omitted without substantially changing the meaning, and if it would be pronounced after a slight pause and with its own intonation contour, then be sure to set it off with commas (or dashes or parentheses): "The Cambridge restaurant, which had failed to clean its grease trap, was infested with roaches."
(4) All four curves show four sensitivity maxima at 361-398 nm, 421-448 nm, 501-544 nm and 634-666 nm which are related to the four known roach photopic visual pigments (Avery et al.
(5) The CPS, which has endured cuts of 27.5% in its budget under the coalition government, is already reviewing failed high-profile prosecutions such as those of the actors Michael Le Vell and Bill Roache as well as Evans.
(6) In some ways, roaches are no different to gorillas, gerbils or iguanas, or any other creatures that we don’t routinely eat.
(7) It could not be established whether the aminergic nuclei described are the origin of the fluorescent fibers in the hypophysis of the roach.
(8) It is produced by virgin females in most roaches, and the chemical structures have been identified for the American, German and Japanese cockroaches.
(9) Mercury, cadmium and lead were measured in the liver and flesh of 885 eels and 338 roach collected from four sites on the Rivers Brett and Chelmer, eastern England, over the period November 1985 to November 1987.
(10) What it is really about is how we see ourselves and how we feel about ourselves as people, Roach said.
(11) 263, 3029-3034; Banerjee, A., Roach, M. C., Trcka, P., and Luduena, R. F. (1990) J. Biol.
(12) In the tetrachromatic roach retina, two somatostatin-positive amacrine cell types were found with very different patterns of ramification; furthermore, both of these types occurred in more than one sublayer.
(13) Inevitably, again, in the wake of the Jimmy Savile scandal, attention has turned to the failed prosecutions of a series of celebrities including Coronation Street actors William Roache , Michael Le Vell and Andrew Lancel.
(14) Extracellular Cl- activity and intracellular Cl- activities of luminosity and biphasic-chromaticity type horizontal cells were measured in freshly isolated, non-superfused roach retinae using double-barrelled Cl- -sensitive micro-electrodes.
(15) In some ways, roaches are no different to gorillas, gerbils or iguanas, or any creatures that we don’t routinely eat Representatives of many of these enterprises have made their way to Ede, carting along product samples or prototypes to display in a large foyer at the conference hotel.
(16) Morphological patterns of the retina, cone size and density, rod density, rod-cone ratio, ganglion cell density, convergence of receptor cells, resolving power (RP) and regionalization were examined throughout life history in roach and in adults of asp, bream, common carp, roach and sabre carp.
(17) Glycogen synthase, the rate-limiting enzyme in glycogen biosynthesis, has been postulated to exist as isozymes in rabbit liver and muscle (Camici, M., Ahmad, Z., DePaoli-Roach, A.
(18) In electrophysiological experiments involving intracellular recording from horizontal cells in the isolated retina of the roach, light adaptation of the retina has been shown to result in potentiation both of (1) the depolarizing component of biphasic chromaticity type S-potentials, and (2) the temporal frequency transfer functions of photopic luminosity type horizontal cells.
(19) No history of roach powder ingestion was available at autopsy.
(20) Two hundred roach (Rutilus rutilus) were examined over a twelve-month period to provide information concerning the occurrence of Sphaerostoma bramae.