(1) The course of cytological abnormalities and synaptogenesis of Purkinje cells were investigated in the culmen of cerebella from homozygous Gunn rats with hereditary hyperbilirubinemia from postnatal day 7 to adulthood (5-10 months old).
(2) Since the Purkinje (P) cells of the cerebellar vermis (culmen) respond to roll tilt of the animal with a discharge pattern that is out of phase with respect to that of the related lateral vestibular neurons, thus exerting a facilitatory influence on the gain of the vestibulospinal (VS) reflex, we tested the effects of local microinjection into the anterior vermis of noradrenergic and cholinergic agents on these reflexes.
(3) Therefore, the anterior portions of hemispheres were situated anterior to the culmen in every 200 R group.
(4) Among these structures, the length of the culmen seemed to be the least affected by radiation stress in all of the breeds studied.
(5) The majority of the evoked units were located in the posterior part of the culmen, lateral to the paravermian vein.
(6) Reversible cooling (5-0 degrees C) or partial ablation of the culmen of the cerebellar vermis could facilitate SIS-induced stepping, whereas electrical stimulation (300 microA up) of the same region could attenuate or abolish stepping.
(7) The angiography showed a basilar trunk occlusion with revascularization of the cerebellar culmen.
(8) These images also can display (1) the corpus medullare and primary white-matter branches to the vermian lobules, including the lingula, centralis, culmen, declive, folium, tuber, pyramis, uvula, and nodulus; and (2) several finer secondary branches to individual folia within the lobules.
(9) Computerized tomography (CT) is a safer method which permits a more precise and earlier visualization of temporal and central herniations and herniation of the culmen cerebelli, which are the three varieties of transtentorial herniation.
(10) Cooling of the lateral part of the culmen of the cerebellar vermis and hemisphere mainly facilitated stepping of the ipsilateral forelimb.
(11) The cerebella of the F1 generation were examined for the presence (Type I) or absence (Type II) of an intraculminate fissure between vermian lobule IV and vermian lobule V (the ventral and dorsal lobules of the culmen).
(12) Four growth measurements (body mass, culmen, tarsus, wing) were recorded from nestlings to determine if these organophosphorus compounds caused perturbations in development at sublethal concentrations.
(13) The superior part of the cerebellum supplied by this artery includes the following lobules: lobulus anterior, lobulus simplex, lobulus semilunaris superior, and, in the vermis, lobulus centralis, culmen and clivus.
(14) The five regions of interest included the following: (1) lingula and centralis, (2) culmen, (3) declive, folium, and tuber, (4) pyramis, and (5) uvula and nodulus.
(15) The lingula, central lobule, culmen, superior portion of declive, anterior lobules and anteromedial half of simple lobule were severely degenerated, while other lobules were spared excluding moderate degeneration in inferomedian portion of the hemisphere.
(16) Results for 177 mice revealed that many brains had extra sulci present within the central lobe, the culmen, the declive and the uvula, and that patterns within a genetically uniform inbred strain were highly variable.
(17) Growth rates for body weight, culmens, wings, and tarsi of both species on control diets exceeded those on many treatment diets but the differences were less apparent for mallards than for black ducks.
(18) Growth rates of body weights were proportionately more depressed by radiation stress than were body sizes, as measured by the lengths of the culmen, tarsus, middle toe and longest primary wing feather of all 32 day-old survivors.
(19) We report about our experience with the infratentorial supracerebellar approach in 23 patients operated on for lesions located in the posterior part of the third ventricle, quadrigeminal plate, culmen cerebelli and cerebellar peduncle.
(20) In nearly midsagittal sections of the culmen, the percentage of the affected Purkinje cells was 0.9%, 17.1%, 0% and 0% at days 3, 7, 13 and 20, respectively.
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Definition:
(n.) Eve; verge; point.
(n.) A child's toy, commonly in the form of a conoid or pear, made to spin on its point, usually by drawing off a string wound round its surface or stem, the motion being sometimes continued by means of a whip.
(n.) A plug, or conical block of wood, with longitudital grooves on its surface, in which the strands of the rope slide in the process of twisting.
(n.) The highest part of anything; the upper end, edge, or extremity; the upper side or surface; summit; apex; vertex; cover; lid; as, the top of a spire; the top of a house; the top of a mountain; the top of the ground.
(n.) The utmost degree; the acme; the summit.
(n.) The highest rank; the most honorable position; the utmost attainable place; as, to be at the top of one's class, or at the top of the school.
(n.) The chief person; the most prominent one.
(n.) The crown of the head, or the hair upon it; the head.
(n.) The head, or upper part, of a plant.
(n.) A platform surrounding the head of the lower mast and projecting on all sudes. It serves to spead the topmast rigging, thus strengheningthe mast, and also furnishes a convenient standing place for the men aloft.
(n.) A bundle or ball of slivers of comkbed wool, from which the noils, or dust, have been taken out.
(n.) The part of a cut gem between the girdle, or circumference, and the table, or flat upper surface.
(n.) Top-boots.
(v. i.) To rise aloft; to be eminent; to tower; as, lofty ridges and topping mountains.
(v. i.) To predominate; as, topping passions.
(v. i.) To excel; to rise above others.
(v. t.) To cover on the top; to tip; to cap; -- chiefly used in the past participle.
(v. t.) To rise above; to excel; to outgo; to surpass.
(v. t.) To rise to the top of; to go over the top of.
(v. t.) To take off the or upper part of; to crop.
(v. t.) To perform eminently, or better than before.
(v. t.) To raise one end of, as a yard, so that that end becomes higher than the other.
Example Sentences:
(1) More than £26bn was wiped off the value of Britain's top companieson Tuesday, according to FTSE Group.
(2) Cameron also used the speech to lambast one of the central announcements in the budget - raising the top rate of tax for people earning more than £150,000 to 50p from next year.
(3) Two years ago, the Intergovernmental Panel on Climate Change declared Egypt's Nile Delta to be among the top three areas on the planet most vulnerable to a rise in sea levels, and even the most optimistic predictions of global temperature increase will still displace millions of Egyptians from one of the most densely populated regions on earth.
(4) Sift the cocoa powder over the top and lightly but thoroughly fold it in with the metal spoon.
(5) Autonomy, sense of accomplishment and time spent in patient care ranked as the top three factors contributing to job satisfaction.
(6) On Monday, the day after a party congress officially cementing Putin's candidacy in the 4 March presidential election, the top stories on Inosmi concerned modernisation, the eurozone crisis and Iran.
(7) Meanwhile, Brighton rock duo Royal Blood top this week's album chart with their self-titled album, scoring the UK's fastest selling British rock debut in three years.
(8) Tottenham not interested in topping Arsenal, says Mauricio Pochettino Read more The second half was less frenetic, with the space much tighter and the chances fewer.
(9) The night's special award went to armed forces broadcaster, BFBS Radio, while long-standing BBC radio DJ Trevor Nelson received the top prize of the night, the gold award.
(10) In a domino effect, everyone got down, one on top of the other.” A 29-year-old woman described blood and flesh that had been blown on to others.
(11) After the gunfight the marines made the shocking discovery of bodies of 58 men and 14 women in a room, some piled on top of each other.
(12) The announcement of Dame Helen Ghosh's departure from the top job at the Home Office the morning after the Olympics is likely to leave Whitehall looking "maler and paler".
(13) After the impact … I lost my balance, making my body unstable and falling on top of my opponent,” he said in his submission to the panel, which met on Wednesday, a day after Uruguay had beaten Italy 1-0 in a decisive group-stage match.
(14) The proportions of malnourished infants in BF+AF and BF groups were similar (3.2% and 2.4%, respectively, in males and 11.8% and 7.9%, respectively, in females) and significantly smaller than among top-fed infants (25% and 100% in males and females, respectively).
(15) United and West Ham are on similar runs and can feel pretty happy about themselves but are not as confident away from home as they are at home and that will have to change if they are to make ground on the top teams.
(16) In a triple tier configuration, females concentrated 66% of their travel on the top tier.
(17) In the Isa world, the past few weeks have seen a flurry of new launches , some offering table-topping rates .
(18) One of them got a gold medal in medicine, for being top of the year, but they dropped out for exactly these reasons.” These are not alarmist stories being spread by campaigners.
(19) But in the friendlies we tend to give those players a chance to show what they can do at the top level.
(20) We believe Oisin has a very exciting future at the BBC.” Clarkson, May and Hammond have signed up to launch a rival show on Amazon’s TV service , while Chris Evans is currently filming a new series of the BBC’s Top Gear show with fellow presenters Matt LeBlanc and Eddie Jordan.