(n.) The whitish mass of soft matter (the center of the nervous system, and the seat of consciousness and volition) which is inclosed in the cartilaginous or bony cranium of vertebrate animals. It is simply the anterior termination of the spinal cord, and is developed from three embryonic vesicles, whose cavities are connected with the central canal of the cord; the cavities of the vesicles become the central cavities, or ventricles, and the walls thicken unequally and become the three segments, the fore-, mid-, and hind-brain.
(n.) The anterior or cephalic ganglion in insects and other invertebrates.
(n.) The organ or seat of intellect; hence, the understanding.
(n.) The affections; fancy; imagination.
(v. t.) To dash out the brains of; to kill by beating out the brains. Hence, Fig.: To destroy; to put an end to; to defeat.
(v. t.) To conceive; to understand.
Example Sentences:
(1) Here we have asked whether protection from blood-borne antigens afforded by the blood-brain barrier is related to the lack of MHC expression.
(2) The extents of phospholipid hydrolysis were relatively low in brain homogenates, synaptic plasma membranes and heart ventricular muscle.
(3) First results let us assume that clinically silent TIAs also (in analogy to clinically silent brain infarctions) could be detected and located.
(4) Brain and ganglia of embryonic Periplaneta americana were grown for 2 to 3 weeks in a chemically defined medium.
(5) The results indicated that neuropsychological measures may serve to broaden the concept of intelligence and that a brain-related criterion may contribute to a fuller understanding of its nature.
(6) To quantify the size of the lesion in mice, the area of the infarct on the brain surface was assessed planimetrically 48 h after MCA occlusion by transcardial perfusion of carbon black.
(7) However, CT will be insensitive in the detection of the more cephalic proximal lesions, especially those in the brain stem, basal cisterns, and skull base.
(8) The fine structure of neurofibrillary tangles in the hippocampal gyrus, substantia nigra, pontine nuclei and locus coeruleus of the brain was postmortem studied in a case of progressive supranuclear palsy.
(9) We similarly evaluated the ability of other phospholipids to form stable foam at various concentrations and ethanol volume fractions and found: bovine brain sphingomyelin greater than dipalmitoyl 3-sn-phosphatidylcholine greater than egg sphingomyelin greater than egg lecithin greater than phosphatidylglycerol.
(10) This study examined the [3H]5-HT-releasing properties of 3,4-methylenedioxymethamphetamine (MDMA) and related agents, all of which cause significant release of [3H]5-HT from rat brain synaptosomes.
(11) In the present investigation we monitored the incorporation of [14C] from [U-14C]glucose into various rat brain glycolytic intermediates of conscious and pentobarbital-anesthetized animals.
(12) Cranial MRI revealed delayed myelination in the white matter but no brain malformation.
(13) When compared with lissencephalic species, a great horizontal fibrillary system (which is vertically arranged in gyral regions) was observed in convoluted brains.
(14) In more than 70 per cent of these, brain injury is the decisive lethal factor.
(15) Brain damage may be followed by a number of dynamic events including reactive synaptogenesis, rerouting of axons to unusual locations and altered axon retraction processes.
(16) Based on our results, we propose the following hypotheses for the neurochemical mechanisms of motion sickness: (1) the histaminergic neuron system is involved in the signs and symptoms of motion sickness, including vomiting; (2) the acetylcholinergic neuron system is involved in the processes of habituation to motion sickness, including neural store mechanisms; and (3) the catecholaminergic neuron system in the brain stem is not related to the development of motion sickness.
(17) The regional distribution of beta-adrenoceptor subtypes was found to be similar to that seen in the rat brain.
(18) We assessed changes in brain water content, as reflected by changes in tissue density, during the early recirculation period following severe forebrain ischemia.
(19) If tracer is introduced into the carotid artery after osmotic treatment, brain uptake is increased by a net factor of 50 (a factor of 70 due to elevation of PA, multiplied by 7 due to infusion by the carotid route) as compared to uptake by normal, untreated brain with infusion into a peripheral vein.
(20) This study examined both the effect of variations in optical fiber tip and in light wavelength on laser-induced hyperthermia in rat brain.
Rain
Definition:
(n. & v.) Reign.
(n.) Water falling in drops from the clouds; the descent of water from the clouds in drops.
(n.) To fall in drops from the clouds, as water; -- used mostly with it for a nominative; as, it rains.
(n.) To fall or drop like water from the clouds; as, tears rained from their eyes.
(v. t.) To pour or shower down from above, like rain from the clouds.
(v. t.) To bestow in a profuse or abundant manner; as, to rain favors upon a person.
Example Sentences:
(1) This is basically a large tank (the bigger the better) that collects rain from the house guttering and pumps it into the home, to be used for flushing the loo.
(2) The supporters – many of them wearing Hamas green headbands and carrying Hamas flags – packed the open-air venue in rain and strong winds to celebrate the Islamist organisation's 25th anniversary and what it regards as a victory in last month's eight-day war with Israel.
(3) As yet there is no evidence that the occurrence of savanna flies in the rain forest zone of Liberia was of epidemiological significance.
(4) But officials warned the rains may not reach the heart of the Rim fire.
(5) A light rain pattered the rooftops of Los Mochis in Friday’s pre-dawn darkness, the town silent and still as the Sea of Cortez lapped its shore.
(6) The effect of spraying plants with rain-water was to enhance slightly the total content of all trace metals analysed.
(7) Demonstrators gathered in the rain in the west of the Afghan capital and marched towards the city centre, chanting death to the Taliban and Islamic State , while demanding justice and protection from the government.
(8) Richard Aylard, director of sustainability and external affairs for Thames Water, said the firm was aware of the irony that heavy rain had set in after the hosepipe ban was announced.
(9) The warning of further food prices came as some British supermarkets said they were struggling to keep shelves stocked with fresh produce and the National Farmers Union (NFU) reported that UK wheat yields have been the lowest since the late 1980s as a result of abnormal rain fall.
(10) In Kew Gardens, west London, 18mm of rain fell in just an hour on Saturday afternoon with other deluges causing travel misery.
(11) A winter mission, following a rain, will-provide a view of low areas within fields which may be obscured by summer vegetation.
(12) Canterbury and Christchurch in the South Island were expected to bear the brunt of ex-cyclone Debbie, with rain expected to ease in the North Island later on Thursday.
(13) It took City until midway through the first half to test the Boro goalkeeper, and once they did begin to rain shots on goal they found Tómas Mejías more than capable of standing up to them.
(14) On the weather map rain hammers down like a monsoon.
(15) It sounds like self-congratulation for disbelieving incorrect forecasts of rain, then proudly stepping into a hailstorm without an umbrella.
(16) I went inside, and the sound of the rain on the roof and the darkness inside made me very afraid.
(17) Warning of more stormy weather to come he urged people to remain on alert in regions due for more heavy rain this Wednesday and Thursday.
(18) Boxing Day sales shoppers were soaked as downpours continued across the country on Wednesday, and there were warnings that an Atlantic storm would bring more heavy rain at the weekend.
(19) In view of the fact that a major consequence of acid rain is the liberation of large amounts of aluminum in bioavailable forms, concerns are raised about possible human health risks of this environmental phenomenon.
(20) At present it is not possible to quantify the effects attributed to acid rain only; account must be also be taken of cadmium added to, e.g., soil by use of sewage sludge and other fertilizers.