(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.
Machine
Definition:
(n.) In general, any combination of bodies so connected that their relative motions are constrained, and by means of which force and motion may be transmitted and modified, as a screw and its nut, or a lever arranged to turn about a fulcrum or a pulley about its pivot, etc.; especially, a construction, more or less complex, consisting of a combination of moving parts, or simple mechanical elements, as wheels, levers, cams, etc., with their supports and connecting framework, calculated to constitute a prime mover, or to receive force and motion from a prime mover or from another machine, and transmit, modify, and apply them to the production of some desired mechanical effect or work, as weaving by a loom, or the excitation of electricity by an electrical machine.
(n.) Any mechanical contrivance, as the wooden horse with which the Greeks entered Troy; a coach; a bicycle.
(n.) A person who acts mechanically or at will of another.
(n.) A combination of persons acting together for a common purpose, with the agencies which they use; as, the social machine.
(n.) A political organization arranged and controlled by one or more leaders for selfish, private or partisan ends.
(n.) Supernatural agency in a poem, or a superhuman being introduced to perform some exploit.
(v. t.) To subject to the action of machinery; to effect by aid of machinery; to print with a printing machine.
Example Sentences:
(1) Some commentators have described his ship, now facing more delays after a decade in development, as little more than a Heath Robinson machine.
(2) In order to control noise- and vibration-caused diseases it was necessary not only to improve machines' quality and service conditions but also to pay special attention to the choice of operators and to the quality of monitoring their adaptation process.
(3) This survey reviews three-dimensional (3D) medical imaging machines and 3D medical imaging operations.
(4) These views are very practical for inferior synovial cavity arthrograms performed in the dental operatory since panoramic radiographic machines have become common in modern dental practices.
(5) Careless Herbicidal aerial spray of a field for weed control and defoliation of cotton before machine picking, resulted in the contamination of an adjoining reservoir, killing large volume of fish.
(6) Various forms of inactive data storage and archiving in machine-readable form are available to address this dilemma, yet these solutions can create even more difficult problems.
(7) Among the dead were two young young officers, Major Mujahid Ali and Captain Usman, whose life stories the media seized upon, helped by the military's public relations machine.
(8) said Wanis Kilani, a uniformed rebel driving a pickup truck with a machine-gun mounted on the back.
(9) "I wanted it to have a romantic feel," says Wilson, "recalling Donald Campbell and his Bluebird machines and that spirit of awe-inspiring adventure."
(10) Placing the collection bag at the base of the machine provided excellent plasma removal rates with only minimal blood flows.
(11) Best Buy – it says the machine "churns excellent ice cream quickly and without too much noise".
(12) In this vision, people will go to polling stations on 18 September with a mindset somewhere between that of a lobby correspondent and a desiccated calculating machine.
(13) This algorithm is not only efficient for the recognition of order and disorder in "machine vision", but also plausible in biological visual perception.
(14) Flat surfaces could be machined on the originally cylindrical surface to reduce the severity of these aberrations.
(15) Photograph: Polish Government Despite his clear-eyed approach to the looted artworks, Wächter maintains that his father was an unwilling cog in the Nazi killing machine, a position that has won him many critics.
(16) We compared the time taken to obtain clear airway, when patients were receiving 4.5 or 6 l.min-1 fresh flow by anesthetic machines.
(17) Results of the determinations indicated that protective leather gloves contained considerable content of chromium, and chromium-free machine oils and lubricants were polluted with chromium's minute quantities as the oils and lubrications were being used.
(18) Bleeps, pagers and fax machines are still used for communicating vital information.
(19) A new technique is described, in which a copy machine (Rank-Xerox) is used for instantaneous reproduction of biological assays.
(20) Can consoles still survive in a rapidly changing business where smartphones, tablets and smart TVs, and now Steam Machines, are threatening?