What's the difference between repel and retropulsive?
Repel
Definition:
(v. t.) To drive back; to force to return; to check the advance of; to repulse as, to repel an enemy or an assailant.
(v. t.) To resist or oppose effectually; as, to repel an assault, an encroachment, or an argument.
(v. i.) To act with force in opposition to force impressed; to exercise repulsion.
Example Sentences:
(1) The effects of common repellents on the membrane fluidity of Escherichia coli were measured by the fluorescence polarization of the probe 1,6-diphenyl-1,3,5-hexatriene in liposomes made of lipids extracted from the bacteria and in membrane vesicles.
(2) It is suggested that the capacity of large doses of L3T4+ cells to protect mice against lethal GVHD is a reflection of T helper function: the cellular immunity provided by the donor L3T4+ cells enables the host to repel pathogens entering through damaged mucosal surfaces, with the result that GVHD becomes sublethal.
(3) Repellent effect of the Mannich bases (methoxyphenol derivatives) on Aedes aegypti mosquitoes and Xenopsylla cheopis fleas was revealed under laboratory and field conditions.
(4) We have recently prepared a carbon fibre micro-electrode (mCFE) which specifically pretreated and coated with Nafion (a negatively charged polymer which repels acids such as 3,4-dihydroxyphenylacetic acid (DOPAC)) allows the direct selective detection of the oxidation of DA and 5-HT in nanomolar concentration in vitro and that of extracellular basal levels of cerebral 5-HT in vivo (peak B at +240 mV).
(5) A couple of years later, he patented a method of producing a water-repellent textile.
(6) These compounds possess insecticidal and repellent properties.
(7) Tory toffs repelling undesirable immigrants, providing better schools, using welfare reform as a pathway to work, clearing vandals, yobs and drunks from the streets and standing up to our masters in Brussels would be very popular, and the word would soon be forgotten.
(8) Repellent addition has previously been shown to stimulate MCP demethylation.
(9) Of 33 compounds tested, 8 were repellents for B. bacteriovorus strain UKi2: n-caproate, alanine, isoleucine, leucine, phenylalanine, tyrosine, cobaltous chloride, and hydronium ion.
(10) The CDC and other health agencies have been operating for months on the assumption that Zika causes brain defects, and they have been warning pregnant women to use mosquito repellent, avoid travel to Zika-stricken regions and either abstain from sex or rely on condoms.
(11) But maybe, just maybe, they won’t, for they represent real forces and articulate real passions that Labour and the Conservatives, and now the Lib Dems, have so far utterly failed to repel.
(12) The treatment involved the use of repelling magnets for the distalization of the upper right molar which was in a class II relationship.
(13) The most important stabilizing factor for the intramolecular proton transfer is the zinc ion, which lowers the pKa of zinc-bound water and electrostatically repels the proton.
(14) Both sexes were attracted to the odor of R-(-)-carvone and repelled by the odor of (+)-citronellol.
(15) The paint whooshed down through the freshwater, but as soon as it hit the saltwater it was repelled, spreading out laterally as if the pigment had hit an invisible horizon.
(16) In bacterial chemotaxis, transmembrane receptor proteins detect attractants and repellents in the medium and send intracellular signals that control motility.
(17) Iain Lobban, the director of GCHQ, the government's eavesdropping and encrypting agency, last week used his first public speech to call for an aggressive approach to cyber attacks, and warned of the dangers of adopting the sort of defensive strategy famously symbolised by France's Maginot line, which was meant to repel the Germans and failed.
(18) 7.53pm BST Pedant repellant Style guide: GEORGE: What is Holland?
(19) Current control measures, stressing the use of mosquito nets, insect repellent, and residual insecticides designed primarily for the less mobile population of rice-farming communities are less effective among more mobile people.
(20) Soldiers damaged three of the vessels before clashes in which the militants were eventually repelled.
Retropulsive
Definition:
(a.) Driving back; repelling.
Example Sentences:
(1) The cage-like implant has ridges or teeth to resist pullout or retropulsion, struts to support weight bearing, and a hollow center for packing of autologous bone graft.
(2) Clinical symptoms were stereotyped and unique, showing severe akinesia, no rigidity in the limbs, no tremor but retropulsions, upward gaze palsy, dysarthria, dysphagia and later, nuchal stiffness.
(3) hyperoxygenated air breathing, oxygen breathing, propulsion + retropulsion of the escaper, drogues + pressure retaining (2 atm abs) escape suits are briefly considered.
(4) In the management of burst fractures, the role of direct surgical removal of retropulsed bony fragments encroaching upon the spinal canal (direct decompression) is controversial.
(5) CT studies showed these abnormalities to be the result of retropulsion of one or more bone fragments from the posterior margin of the vertebral body.
(6) These criteria are irrespective of the CT findings of posterior vertebral retropulsion and spinal canal narrowing.
(7) If digital massage achieved a soft globe that was easily retropulsed and the eyelids were loose and easily mobilized, the surgery was performed as scheduled.
(8) Anterior surgery for the treatment of burst fractures with retropulsed bone provides a means for direct decompression of the spinal canal.
(9) All of these patients had an incomplete neurological deficit caused by retropulsed vertebral-body fragments and intervertebral disc material in the spinal canal.
(10) This impingement occurred when the arm was in abduction-retropulsion and in forced lateral rotation.
(11) We calculated the stenotic ratios of the area occupied by the retropulsed bony fragments to the estimated area of the original spinal canal.
(12) We report two cases in which acute paraplegia occurred following compression fracture without retropulsion of bone fragments or significant narrowing of the spinal canal.
(13) The mean distance of travel and hourly incidence of propulsive and retropulsive movements of colonic contents have been assessed by means of time-lapse cinefluorography and compared in 98 patients with the irritable colon syndrome and in 90 control subjects.Net propulsion in patients with the irritable colon syndrome was less than in the controls at rest, similar to the controls after feeding, and greater than in the controls after an injection of carbachol.
(14) forepaw treading, retropulsion and splayed hindlimbs) as well as hyperthermia occurred after bilateral injection of the (6S, 10bR)-(+)-enantiomer of McN-5652-Z into the cerebral ventricles in pargyline-treated rats.
(15) Static and dynamic effects are obtained retropulsion, elimination of the prominence of the superior border of the alar cartilage (without shortening resection) allowing creation of a finer nose tip; rounding of the nasal orifices, improving respiratory function; suppression of labial dependence of the tip a factor responsible for secondary ptosis of the tip.
(16) The ability of posterior distraction instrumentation to produce indirect reduction of retropulsed bone fragments was studied in 44 patients with thoracolumbar burst fractures.
(17) The retropulsed fragments could be seen best on computed tomographic or magnetic resonance images and were very subtle on conventional radiographs, on which an abnormal posterior vertebral body line was the only abnormality detected.
(18) The term communicating exophthalmos is suggested for a condition where manual retropulsion of one eye results in proptosis of the other eye.
(19) Contact sports usually are the cause of ulnar instability by sudden retropulsion of the thumb; this is treated by a plasty with the abductor pollucis longus, according to Brunelli.
(20) A posterolateral technique to decompress retropulsed bone from the spinal canal has been employed in nine patients, confirmed with intraoperative canal inspection and pre- and postoperative computed axial tomographic (CAT) evaluation.