(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.
Food
Definition:
(n.) What is fed upon; that which goes to support life by being received within, and assimilated by, the organism of an animal or a plant; nutriment; aliment; especially, what is eaten by animals for nourishment.
(n.) Anything that instructs the intellect, excites the feelings, or molds habits of character; that which nourishes.
(v. t.) To supply with food.
Example Sentences:
(1) An automated continuous flow sample cleanup system intended for rapid screening of foods for pesticide residues in fresh and processed vegetables has been developed.
(2) After 55 days of unrestricted food availability the body weight of the neonatally deprived rats was approximately 15% lower than that of the controls.
(3) First, it has diverted grain away from food for fuel, with over a third of US corn now used to produce ethanol and about half of vegetable oils in the EU going towards the production of biodiesel.
(4) Issues such as healthcare and the NHS, food banks, energy and the general cost of living were conspicuous by their absence.
(5) In the clinical trials in which there was complete substitution of fat-modified ruminant foods for conventional ruminant products the fall in serum cholesterol was approximately 10%.
(6) Pint from £2.90 The Duke Of York With its smart greige interior, flagstone floor and extensive food menu (not tried), this newcomer feels like a gastropub.
(7) Size of household was the most important predictor of both the total level of household food expenditures and the per person level.
(8) It is not that the concept of food miles is wrong; it is just too simplistic, say experts.
(9) This suggests that hypothalamic NPY might be involved in food choice and that PVNp is important in the regulation of feeding behaviour by NPY.
(10) They urged the Department of Environment, Food and Rural Affairs to make air quality a higher priority and release the latest figures on premature deaths.
(11) A relative net reduction of 47% in lactose malabsorption was produced by adding food, and the peak-rise in breath H2 was delayed by 2 hours.
(12) A sensitive, specific procedure was developed for detecting Escherichia coli O157:H7 in food in less than 20 h. The procedure involves enrichment of 25 g of food in 225 ml of a selective enrichment medium for 16 to 18 h at 37 degrees C with agitation (150 rpm).
(13) It was concluded that B. pertussis infection-induced hypoglycaemia was secondary to hyperinsulinaemia, possibly caused by an exaggerated insulin secretory response to food intake.
(14) ); and 3) those that multiply and produce large numbers of vegetative cells in the food, then release an active enterotoxin when they sporulate in the gut.
(15) (2) The treated animals ingested less liquid and solid food than controls.
(16) Resistance to antibiotics have been detected in food poisoning bacteria, namely Salmonella typhimurium, Staphylococcus aureus and Clostridium perfringens.
(17) Learning ability was assessed using a radial arm maze task, in which the rats had to visit each of eight arms for a food reward.
(18) The UNTR rats were subjected to a continuous food restriction to maintain body weights equal to those of the TR rats.
(19) Male Sprague Dawley rats either trained (T, N = 9) for 11 wk on a rodent treadmill, remained sedentary, and were fed ad libitum (S, N = 8) or remained sedentary and were food restricted (pair fed, PF, N = 8) so that final body weights were similar to T. After training, T had significantly higher red gastrocnemius muscle citrate synthase activity compared with S and PF.
(20) The alpha 2 agonist, clonidine, produced a larger dose-related increase in food intake in lean rats than in the fatty rats.