(n.) The aperture in the iris; the sight, apple, or black of the eye. See the Note under Eye, and Iris.
(n.) A youth or scholar of either sex under the care of an instructor or tutor.
(n.) A person under a guardian; a ward.
(n.) A boy or a girl under the age of puberty, that is, under fourteen if a male, and under twelve if a female.
Example Sentences:
(1) A 66-year-old woman with acute idiopathic polyneuritis (Landry-Guillain-Barré [LGB] syndrome) had normal extraocular movements, but her pupils did not react to light or accommodation.
(2) Results in May 89 emphasizes: the relevance and urgency of the prevention of AIDS in secondary schools; the importance of the institutional aspect for the continuity of the project; the involvement of the pupils and the trainers for the processus; the feasibility of an intervention using only local resources.
(3) We’ve spoken to them on the phone and they’ve all said they just want to come home.” A total of 93 pupils from Saint-Joseph were on the trip.
(4) Pupils who disrupt the learning of their classmates are dealt with firmly and, in many cases, a short suspension is an effective way of nipping bad behaviour in the bud."
(5) The headteacher of the school featured in the reality television series Educating Essex has described using his own money to buy a winter coat for a boy whose parents could not afford one, in a symptom of an escalating economic crisis that has seen the number of pupils in the area taking home food parcels triple in a year.
(6) The pupils at the Royal Blind School, Edinburgh, were surveyed and it was found that 40% of the 100 pupils had definitely inherited severe eye disease.
(7) The teacher said his school believed it was aware of all the pupils who had been present, and that Nuttall was not among them.
(8) While tonic pupil and reduced sweating can be attributed to the affection of postganglionic cholinergic parasympathetic and sympathetic fibres projecting to the iris and sweat glands, respectively, the pathogenesis of diminished or lost tendon jerks remains obscure.
(9) For data sampled at a high rate (approximately 200 Hz) pupil velocity deviations from zero can simply be used, giving a satisfactory inaccuracy of about 5 ms. For data sampled at a low rate (less than 50 Hz), e.g.
(10) On neurological examination, he showed stupor,pupils and eye position were normal.
(11) A nine-year-old Scottish girl who attracted two million readers to a blog documenting her school lunches , consisting of unappealing and unhealthy dishes served up to pupils, has been forced to end the project after the council banned her from taking pictures of the food in school.
(12) Posterior synechiae, pupil deformations, grave uveitis with hypotonia of 4-10 mm Hg are rapidly developing.
(13) Effects of topical administration of a single dose of 2% pilocarpine on intraocular pressure (IOP) and pupil diameter were evaluated in normotensive eyes of 10 clinically normal cats over 12 hours.
(14) Changes in pupil size indicated a substantial cholinergic effect on the iridal sphincter musculature.
(15) The nineteen pupils so discovered had more exercise-induced bronchial lability than equivalently exercised controls.
(16) Theory and practice of urology generates three types of professionals: doctors, who study at universities and obtain their licence by making a demonstration before the Protomedicato Tribunal; surgeons, who acquire their surgical techniques through a teacher-pupil training relationship outside universities; and empirics, who were in charge of performing surgical operations.
(17) The evolution and characteristics of diabetic rubeosis were studied in 33 eyes, and the following vascular abnormalities were found: (1) Dilated leaking capillaries around the pupil; (2) irregular or slow filling of the radial arteries; (3) superficial arborising newly formed vessels, usually starting in the chamber angle; and (4) dilatation and leakage of the radial vessels either before or after the development of neovascular glaucoma.
(18) Characteristic clinical features were present in 19 patients, including a gradual obtundation after the initial hemorrhage in 16 patients and small nonreactive pupils in nine patients (all with a Glasgow Coma Scale score of 7 or less).
(19) Ed Miliband's education package is less generous than some hoped Read more The Labour leader said the coalition is directly to blame for a trebling in the number of classes with more than 30 pupils from 31,265 in 2010 to 93,345 in 2014, as a result of opening free schools in areas where new schools are not needed.
(20) Of these, 61.2% said they had been subjected to a pupil writing an insulting comment about them on a social network or internet site, 38.1% said a student had made comments about their competence or performance as a teacher, and 9.1% said they had faced allegations that they behaved inappropriately with pupils.
Retina
Definition:
(n.) The delicate membrane by which the back part of the globe of the eye is lined, and in which the fibers of the optic nerve terminate. See Eye.
Example Sentences:
(1) The distribution of gelsolin, a calcium-dependent actin-severing and capping protein, in the retina of the developing and adult rabbit was studied.
(2) At day 7 MD occupy about 14% area of posterior retina in transverse sections in Campbell rats versus 7% in normal animals.
(3) Chromatolysis and swelling of the cell bodies of cut axons are more prolonged than after optic nerve section and resolve in more central regions of retina first.
(4) Reverse transcription of retina mRNA followed by DNA amplification using D4-specific nucleotides demonstrates the presence of D4 mRNA in retina.
(5) Electroretinographic (ERG), morphometric and biochemical studies on retinas from monkeys or rats reveal that moderate level developmental lead (Pb) exposure produces long-term selective rod deficits and degeneration.
(6) Cultured cells from fourth to ninth passage showed positive labelling for S 100 protein, carbonic anydrase (CAA), glutamine synthetase (GS), alpha cristallin (alpha C) and polyclonal glial fibrillary acidic protein (GFAP) antibody, but were negative for both monoclonal GFAP antibody and also for Muller cells in the retina.
(7) This study examines the morphology of sporadic congenital microphthalmia in 1-day-old chicks, with particular emphasis on the neural retina.
(8) We based our approach on the anteroposterior location of the incarceration site and the amount of retina incarcerated into the wound.
(9) The posterior retina remained uninvolved, and no further treatment was needed.
(10) On histopathologic examination there were microabscesses in the inner choroid and subretinal space, disrupting the outer retina but sparing the inner retina.
(11) Although the Ca2+-independent mechanism accounts for about two thirds of the total acetylcholine release in the dark, the amount of acetylcholine released in this way is small compared with the release of acetylcholine triggered by stimulation of the retina with light.
(12) These results are consistent with the idea that RPE pigment dispersion is triggered by a substance that diffuses from the retina at light onset.
(13) A specific vitamin A-dependent fluorophore was isolated from these retinas using thin-layer chromatography (TLC).
(14) Premature infants possessed 35-50% higher levels of retinal vitamin C than those found in mature retinas.
(15) The relationship of these observations to the genesis of positional markers in the regenerating retina is discussed.
(16) One may speculate whether clinical conditions exist--apart from hereditary retinal dystrophies--in which the retina becomes more sensitive to light from strong artificial or natural sources, which are otherwise innoxious.
(17) We also used an optical device to stabilize images of the real world upon the retina.
(18) The three-dimensional view obtained with scanning electron microscopy provides another perspective on the pathogenetic changes of the RCS retina.
(19) Although the chicks were behaviorally and electrophysiologically blind at the time of hatching, their retinas appeared morphologically comparable to normal chicks at this stage.
(20) These observations suggest that IDDM patients have reduced fibrinolytic activity in their retinas, which might predispose them to thromboembolic disease.