(n.) A conductor, conduit, or artificial channel for conveying water, especially one for supplying large cities with water.
(n.) A canal or passage; as, the aqueduct of Sylvius, a channel connecting the third and fourth ventricles of the brain.
Example Sentences:
(1) In addition to the aqueduct other associated inner ear anomalies have been identified in 60% of this population including: enlarged vestibule (14); enlarged vestibule and lateral semicircular canal (7); enlarged vestibule and hypoplastic cochlea (4); and hypoplastic cochlea (4).
(2) When histamine (5 micrograms) was injected into three different levels of the ventricular system, the magnitude and duration of the resulting increases in plasma epinephrine and glucose were in the following rank order: the third ventricle greater than aqueduct much greater than fourth ventricle.
(3) The majority of the responsive neurons were located in regions surrounding the aqueduct and the medial part of PAG.
(4) When outcome was examined in patients who were stuporous or comatose on admission, a significant increase in septal shift was found among patients with a poor outcome, but there was no significant relationship between outcome and degree of pineal or aqueductal shift.
(5) This is the first case of a fulminant phase of mumps ventriculitis leading to aqueductal stenosis, which has been treated using a ventriculoscope for the first time.
(6) A series of 55 cases is described in which hydrocephalus associated with non-neoplastic narrowing of the Sylvian aqueduct produced symptoms for the first time in adult life.
(7) With systole there is downward (caudal) flow of CSF in the aqueduct of Sylvius, the foramen of Magendie, the basal cisterns and the dorsal and ventral subarachnoid spaces while during diastole, upward (cranial) flow of CSF in these same structures is seen.
(8) A patent cochlear aqueduct indicated on computed tomography scan was found and repaired through a posterior cranial fossa approach.
(9) Rats from the H-Tx strain develop hydrocephalus through a developmental obstruction of the cerebral aqueduct.
(10) In group A, kaolin was present in the fourth ventricle and Sylvian aqueduct.
(11) SE images obtained with gradient moment nulling did not allow confident distinction between patent and obstructed aqueducts.
(12) The signal intensity of the cerebrospinal fluid (CSF) in the cerebral aqueduct and lateral ventricles on magnetic resonance (MR) images was evaluated in 16 healthy individuals and in 32 patients with various forms of hydrocephalus (20 with chronic normal pressure hydrocephalus [NPH], seven with acute communicating hydrocephalus, and five with hydrocephalus ex vacuo [atrophy]).
(13) Tentorial herniation secondary to supratentorial mass lesions will cause aqueductal compression and raised intraventricular pressure.
(14) However, these cytoplasmic edema of the ependymal and glial cells totally subsided by day 30 postinjection, leaving an obliterated aqueduct with a few remnants of ependymal cells without reactive gliosis.
(15) The effect of intracranial pressure on cerebrospinal fluid formation has been studied in cats by ventricular perfusion with the aqueduct of Sylvius blocked (isolated ventricular perfusion).
(16) The disappearance of patency in the cochlear aqueduct is a progressive phenomenon reflecting the biological process of aging in the organism.
(17) The results suggest that under physiological conditions the CSF also flows through the cochleae aqueduct and the protein concentration in the Scala tympani decreases especially in the basal winding.
(18) We demonstrate that the stenosis of the aqueduct is a secondary phenomenon, not causally related to the pathogenesis of hydrocephalus, and discuss the significance of this finding to human aqueduct stenosis.
(19) In the other 71%, the pars rugosa in the vestibular aqueduct was surrounded by dura more commonly than normal.
(20) In this paper we attempted MR visualization of the vestibular aqueduct (VA) with a surface coil.
Leat
Definition:
(n.) An artificial water trench, esp. one to or from a mill.
Example Sentences:
(1) Dúirt mé leat go raibh mé breoite " ("I told you I was ill") now reminds mourners of Spike's anarchic wit and wisdom.
(2) In 2004, a mother claimed that Leat had been taking pictures of her daughter with a mobile phone but he denied the accusation and no action was taken.
(3) The abuse went undetected at the school – where Leat taught for 15 years – until December last year when one victim told her mother that Leat had been touching her.
(4) Leat, 51, would swear his victims to secrecy and even write letters to them in which he would describe what he wanted to do to them and ask them to reply.
(5) Nicholas Gerasimidis, for Leat, said: "It might be said that had he not been in the position that he was that this interest may never have found an opportunity for expression."
(6) An féidir leat mé a dhíriú i dtreo sagart tuiscineach?
(7) Leat was also seen lifting up and touching young girls in the playground and tickling and cuddling pupils in class.
(8) Another member of staff saw Leat projecting an indecent image of an adult on to a wall during a lesson, warning pupils not to tell their parents what they had seen.
(9) He said he would support anyone else who came forward and said they had been abused by Leat.
(10) Nigel Leat was jailed indefinitely last year for abusing children he taught, often when other pupils were present, and sometimes filming his attacks .
(11) Married father of two Leat, from Bristol, admitted 36 offences involving five pupils aged between six and eight over five years.
(12) Concerns were not followed up and this led to children not being protected from Nigel Leat.
(13) The court was told Leat became interested in images of child abuse on the internet 10 years ago when his marriage became "asexual".
(14) Leat was only arrested in December 2010, when a schoolgirl told her mother he abused her "every day apart from when the teaching assistant was in the classroom".
(15) The judge told Leat: "Your manipulation of the children was clever, cunning and insidious.
(16) Official records show that those who reported Leat's behaviour were told they should not "insinuate things" or "accuse him of things".
(17) Four neutral oligosaccharides (AraXyl2, AraXyl3, Xyl2, and Xyl3), isolated by preparative paper chromatography, were shown by enzymic and methylation techniques to constitute a series of beta-(1 leats to 4)-D-xylose and O-alpha-L-arabinofuranosyl-(1 leads to 3)-O-beta-D-xylopyranosyl-(1 leads to 4)-O-beta-D-xylopyranosyl-(1 leads to 4)-D-xylose, respectively, the latter being a new compound.
(18) Nigel Leat, 51, a married father-of-two, groomed at least one girl a year and showered her with gifts, afforded her privileges and organised one-on-one teaching sessions.
(19) Ofsted carried out inspections and described the level of care afforded to children as "outstanding" during the time Leat, 51, was offending.
(20) About 30 parents and teachers watched at Bristol crown court as Judge Neil Ford QC, the recorder of Bristol, sentenced Leat to an indefinite term and ruled he must serve at least eight and a half years.