(n.) Bark, as of a tree; hence, an outer covering.
(n.) Bark; rind; specifically, cinchona bark.
(n.) The outer or superficial part of an organ; as, the cortex or gray exterior substance of the brain.
Example Sentences:
(1) Gel filtration of the 40,000 rpm supernatant fraction of a homogenate of rat cerebral cortex on a Sepharose 6B column yielded two fractions: fraction II with the "Ca(2+) plus Mg(2+)-dependent" phosphodiesterase activity and fraction III containing its modulator.
(2) These findings may not indicate a redistribution of renal blood flow through resistance changes in specific parts of the renal vasculature but may represent the consequences of focal cortical ischaemia, most prominent in the outer cortex.
(3) The findings confirm and quantitate the severe atrophy of the neostriatum, in addition to demonstrating a severe loss of cerebral cortex and subcortical white matter in HD.
(4) The observation that phase reversals did not occur in area 29, together with the low incidence of phasic (rhythmic) theta-on cells, suggests that the posterior cingulate cortex does not independently generate type 2 theta.
(5) The use of functional test with the ACTH administration demonstrated organic affection of the CNS to sharply aggravate the weakening and even the exhaustion of the functional reserves of the glomerular and the reticular zones of the adrenal cortex developing during thyrotoxicosis, and also the reserve possibilities of the sympathico-adrenal system.
(6) In the kidneys the index of incorporation inthe epithelial cells of the renal cortex was 7.5-fold and in the brain cortex epithelium 15-fold as increased, respectively.
(7) Horizontal sections of the left cortex were reacted for the demonstration of HRP.
(8) A recent report suggested that neurons in the prefrontal, anterior cingulate, and primary motor cortex of the brains of schizophrenic subjects may be less dense than those in the brains of nonschizophrenic subjects.
(9) In this series there were 45 patients (40%) with independent focal interictal EEG epileptic abnormalities over frontobasal cortex (with or without independent spiking over interomedial temporal region).
(10) The corticotectal cells in the motor cortex differed from those in the premotor cortex in their size distribution; the former being small, the latter both small and large.
(11) In cases with unilateral hypoperfusion, the percentage of the activity in the lesion to that in the contralateral normal cortex on the early SPECT was correlated well with that on CBF measured by PET (r = 0.870, p less than 0.001).
(12) The pathway of ketogenesis in renal cortex must differ from that of the liver, as beta-hydroxy-beta-methylglutaryl-CoA synthetase is virtually absent from the kidney.
(13) Three animals received unilateral lesions which included both the inferior parietal lobule and a portion of adjacent dorsal prestriate cortex (IPL-PS).
(14) Total abolition of the CR ensued when the wave of CSD reached the motor (frontal) cortex and again was independent of the CS modality.
(15) After haemorrhage in conscious rabbits total renal blood flow fell by 25%, this fall being confined to the superficial renal cortex.
(16) Among the epileptic patients investigated by the stereotactic E. E. G. (Talairach) whose electrodes were introduced at or around the auditory cortex (Area 41, 42), the topography of the auditory responses by the electrical bipolar stimulation and that of the auditory evoked potential by the bilateral click sound stimulation were studied in relation to the ac--pc line (Talairach).
(17) Several types of neurons were differentiated on the basis of a study of neuronal activity in various parts of the cortex near the sulcus principalis during the execution of spatial delayed reactions by monkeys.
(18) However, at those times, autoradiographic images of the hippocampus and piriform cortex appeared distinctly different for [14C]2-deoxyglucose and [6(-14)C]glucose.
(19) Gonadectomy of females was accompanied by changes in the activity of individual HAS links in different direction--some reduction of ACTH in the hypophysis, a sharp and significant fall of the peripheral blood glucocorticoid level and a marked significant elevation of hydrococortisone production in the adrenal cortex in vitro.
(20) The alterations in DS frontal cortex included decreases in (n-6) and increases in (n-3) groups in choline and ethanolamine phosphoglycerides (CPG and EPG), as had previously been found in EPG and serine phosphoglyceride (SPG) of the DS fetal brain.
Lobe
Definition:
(n.) Any projection or division, especially one of a somewhat rounded form
(n.) A rounded projection or division of a leaf.
(n.) A membranous flap on the sides of the toes of certain birds, as the coot.
(n.) A round projecting part of an organ, as of the liver, lungs, brain, etc. See Illust. of Brain.
(n.) The projecting part of a cam wheel or of a non-circular gear wheel.
Example Sentences:
(1) The findings suggest that these two syndromes are associated with dysfunction at two different sites within the frontal lobes.
(2) It is possible that the elements provide common precursor proteins that reach the secretory intermediate lobe cells through their dendritic branches.
(3) The authors discuss the results of the diagnosis and treatment of abscesses of the right hepatic lobe which were consequent upon ischemic necrosis; they were encountered after cholecystectomy in 0.15% of cases.
(4) Out of 50 epileptics in 31 cases temporal-lobe epilepsy was present, in 15 the seizures and EEG changes were generalized, in 4 cases focal non-temporal-lobe epilepsy was recognized.
(5) Four had partial simple seizures with secondary generalisation and 3 had cortical excisions (2 frontal, 1 occipital lobe) surgery.
(6) We report the case of a premature infant, small for gestational age, who experienced rostral herniation of a portion of frontal lobe through the anterior fontanel as the result of a hemorrhagic cerebellar infarction followed by a large parieto-occipital intracerebral hemorrhage.
(7) Although an unequivocal decision is not possible from existing knowledge, psychomotor or complex partial seizures of temporal lobe epilepsy would be the most tenable diagnosis.
(8) The hippocampus plays an essential role in the laying down of cognitive memories, the pathway to the frontal lobe being via the MD thalamus.
(9) Pulmonary pressure-flow (P-Q) curves from 24 lobes were obtained at baseline and after each intervention.
(10) Future research and clinical evaluations should focus on the components of the learning and memory processes when the ramifications of temporal lobe ablations on cognitive function are studied.
(11) The ventral tract ends almost entirely in the anterior lobe with the majority of fibres terminating contralateral to the side of the hemisection.
(12) Increased intensity of stereotypy was observed reaching a maximum 14 days after frontal lobe damage.
(13) Silicotuberculous bronchadenitis, conglomerate-cirrhotic lower-lobe silicotuberculosis and their complications (e.g.
(14) There were no differences in brain metabolic rates in lateral cortical areas (frontal, parietal, temporal, and occipital lobes).
(15) The purpose of this study was to determine if aspirin, in doses that elevate plasma salicylate concentrations to values reported in patients with salicylate-induced pulmonary edema, produce pulmonary vasoconstriction in a canine, isolated perfused left lower lung lobe (LLL) preparation.
(16) 99mTc-MAA accumulation was seen in the left lobe of the liver in a patient with occlusion of the IVC and common iliac veins.
(17) The immunocytochemical studies confirm the presence of ACTH in the intermediate lobes of all species studied so far, and stimulate the question of the mechanism of ACTH synthesis at this level.
(18) The correlation between two examiners in lobe size assessment was significant.
(19) Zebrin II-negative Purkinje cells are present in a continuous region encompassing the rostromedial part of the valvula, the lobus transitorius, lobe C1 and the ventral part of lobe C2, and in a small, lateral zone of the posterior part of the caudal lobe.
(20) Patients with temporal lobe abnormalities were significantly younger at the onset of panic disorder and had more panic attacks compared with patients with normal MRI scans (p less than .05).