What's the difference between chasm and chiasm?

Chasm


Definition:

  • (n.) A deep opening made by disruption, as a breach in the earth or a rock; a yawning abyss; a cleft; a fissure.
  • (n.) A void space; a gap or break, as in ranks of men.

Example Sentences:

  • (1) Raising the minimum wage is the right way to begin closing the economic chasm between America's wealthy and regular working people.
  • (2) But recent high-level talks exposed the chasm that exists between Moscow and Tokyo.
  • (3) The following myths are discussed and refuted: (1) There is an insurmountable community-research chasm.
  • (4) It is the old right who are saying that they are ready to serve because they cannot bear the idea of letting go of the party machinery.” The resentment growing within the parliamentary party between those who will serve and those who will not has led to John Woodcock MP, chair of the Blairite group, Progress, to warn of the emergence of a new split to replace the Blair-Brown chasm that marked the last two decades of Labour politics.
  • (5) It was a superb team goal, showed Arsenal at their counterattacking best, and emphasised the chasm in class.
  • (6) In fact, the gender pay gap remains a yawning chasm.
  • (7) We chat about the maps I've seen so far; the abandoned sports stadium in StrikeZone, the wrecked cityscape in Chasm … How do these designs start?
  • (8) David Orr, chief executive of the National Housing Federation said the figures were “yet another symptom of a very sick housing market that is carving ever-greater chasms between those who own a home and those who don’t”.
  • (9) The recent report on inequality in the UK by John Hills, professor of social policy at the London School of Economics, charting how the rich-poor chasm has widened over the last 35 years, exposed the fact that every family in the top 10% now possesses at least 100 times more than any family in the bottom tenth.
  • (10) One Whitehall source said the tests set out by Carney had opened up a chasm between what was required for a currency union and the previously vague undertakings by the Scottish government to agreeing on borrowing limits and financial regulations.
  • (11) It was clearly more than just a half a century that separated the two events and two men; there was also a massive political chasm.
  • (12) Between fielding calls in another hectic day at the Connaught, Johnson says a change in mentality is needed to bridge the chasm between grand plans hatched in Washington, New York and London and the urgent needs on the ground.
  • (13) The moment when you jump across the ice chasm and slip, and someone catches you – there's a little bit of emotion in his face that says 'I've got your back'."
  • (14) "The chasm in price between a home inside the M25 and one in the country is at last no longer growing but canny buyers are seeing this and far more inquiries I receive are now from people wanting to cash in on the seemingly ludicrous value of their shoebox of a home and snap up a slice of country living."
  • (15) And quotas won't work if they reflect and reinforce the growing chasm between top and bottom earners in the UK today.
  • (16) Wednesday gave the lie to the idea that our young people are thoroughly post-ideological creatures, with no fight in them; if even the most fusty newspapers are worried about the chasm that separates the government from the so-called squeezed middle, you can bet that the politics of class may yet make an unexpected comeback.
  • (17) When it comes to unions, there is a chasm between the elite and popular attitudes.
  • (18) Youth services have worked hard over recent years to establish a rulebook for young offenders, designed to keep them away from the dangerous chasm of the adult justice system.
  • (19) Still, a familiar chasm emerged following a meeting to discuss the new health care amendment on Wednesday afternoon.
  • (20) The gap between players and officials – who expected the kind of deference paid to magistrates while not always paying close attention to the lines – became a chasm that proved the opposite of yawning.

Chiasm


Definition:

  • (n.) Alt. of Chiasma

Example Sentences:

  • (1) The number of axons displaying peptide-like immunoreactivity within the optic nerve, retinal or cerebral to the crush, and within the optic chiasm gradually decreased after 2-3 months.
  • (2) Optic chiasm transection drastically diminished this ability, callosal section had little effect and combined lesions of these two structures abolished stereoperception.
  • (3) Two patients with sphenoethmoid mucoceles developed visual field defects consistent with optic chiasm dysfunction.
  • (4) We studied a family in which the proband had an acute chiasmal syndrome secondary to a cavernous angioma of the optic nerve and chiasm.
  • (5) We describe a case of ganglioglioma of the optic chiasm and tract in a 33-year-old man.
  • (6) Since such rats supposedly have a normal pigment distribution and a normal pattern of decussation at the optic chiasm, this finding appears to undermine the suggested role played by stalk melanin in establishing the laterality of retinal fibre projections in other mammalian species.
  • (7) In addition to a severe disorganization of the inner optic chiasm irreC mutants display a subtle phenotype in the outer optic chiasm, in which some bundles of axons that leave the posterior equatorial part of the lamina on their way to the anterior medulla take a long detour before eventually finding their specific targets in the medulla neuropile.
  • (8) Such fibers were observed to leave the posterior medial portion of the optic chiasm and, after arching dorsally, to project into the posterior fifth of the suprachiasmatic nucleus (SCN), as well as into the rostral part of the arcuate nucleus.
  • (9) There was no fascicular organisation at the point at which the two nerves fused at the chiasm.
  • (10) Following microneurosurgical decompression of the optic nerves and chiasm, prompt visual recovery occurred.
  • (11) We describe a young girl with neurofibromatosis and enlargement of the optic chiasm and intracranial left optic nerve.
  • (12) A pilocytic astrocytoma of the optic nerve, chiasm, hypothalamus, or third ventricle is a relatively common tumor of childhood.
  • (13) In the developing mammalian visual system, retinal fibers grow through the optic chiasm, where one population crosses to the opposite side of the brain and the other does not.
  • (14) Other cats that learned the same discriminations monocularly but had sustained a combined section of optic chiasm and forebrain commissures before learning showed no indication of interocular transfer.
  • (15) However, the mean response latency to stimulation of the optic chiasm was significantly shorter for Y cells in MIN than for Y cells in the laminated LGNd.
  • (16) Four of these groups may be related to four negative peaks seen in the antidromic compound action potential recorded at the margin of the cat optic disc following stimulation of the optic chiasm.
  • (17) Although parabrachial activation by itself had no detectable effect on Y cell response modes, prior parabrachial activation prevented the enhanced burstiness caused by chiasm stimulation.
  • (18) The frontal basal cisterns could not be filled sufficiently with the contrast agent due to haematoma and a prefixed chiasm accompanied by arachnoid adhesions in two cases.
  • (19) Similar results were found in cats and kittens that underwent only chiasm split surgery, although some recovery of callosal transfer was found in the latter.
  • (20) The structures of the developing eye-stalk and the relationships of early retinofugal fibers as they pass through the stalk, chiasm, and tract have been studied by light and electron microscopical methods in fetal ferrets aged 23-27 days.

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