(n.) A small lobe in the under surface of the cerebellum, near the middle peduncle; the subpeduncular lobe.
Example Sentences:
(1) The chief characteristics of stage 18 (approximately 44 postovulatory days) are rapidly growing basal nuclei; appearance of the extraventricular bulge of the cerebellum (flocculus), of the superior cerebellar peduncle, and of follicles in the epiphysis cerebri; and the presence of vomeronasal organ and ganglion, of the bucconasal membrane, and of isolated semicircular ducts.
(2) Nucleocortical fibers from the posterior interposed nucleus projected principally to the paramedian lobule, to the medial hemispheric area of Crus I and the lobus simplex, and to the flocculus and paraflocculus.
(3) S-Adenosylhomocysteine metabolism was studied in cell extracts of streptonigrin-producing Streptomyces flocculus.
(4) The projections onto the flocculus and paraflocculus are precisely organized.
(5) About one-third of the axon spikes examined in the flocculus responded to horizontal head angular acceleration.
(6) The flocculus receives afferents bilaterally from the superior, medial and descending vestibular nucleus, group y, the interstitial nucleus of the vestibular nerve and also from the abducent nucleus.
(7) Extracellular recordings were made from afferents to the Purkinje cells of the flocculus of monkeys either spontaneously making saccadic eye movements (saccades) or trained to fixate a small visual target projected on a tangent screen.
(8) Electrical stimulation of the flocculus or uvula evoked the early and late climbing fiber responses in the nodulus.
(9) Sparse terminals derived from the rostral flocculus were found in the prepositus hypoglossal nucleus.
(10) The cerebellar flocculus was mapped with local stimulation techniques in alert pigmented rabbits.
(11) Modulations in discharges of Purkinje cells (P cells) associated with movements of visual patterns were studied in the flocculus of monkeys trained to execute smooth-pursuit eye movements and to suppress optokinetic nystagmus.
(12) Activity of single units was recorded in the flocculus of alert, behaving monkeys during sinusoidal optokinetic (0.02-5.0 Hz), constant velocity optokinetic, vestibular and visual-vestibular conflict stimulation.
(13) In view of the important role of these same lobules in the control of the vestibulo-ocular (VOR) and optokinetic (OKR) responses, we tested the effect of microinjections of cholinergic (ant)agonists in the flocculus of the rabbit on these reflexes.
(14) These data reveal a permanent deficit in the HOKR, but not the HVOR, following unilateral floccular lesions and are consistent with the idea that the flocculus contributes to the regulation of the low-velocity eye movements through the inhibitory modulation of the activity of the subjacent vestibular nuclei.
(15) Brain Res., 85 (1991) 475-481) showed that injection of the cholinergic agonist carbachol into the cerebellar flocculi had a pronounced facilitatory effect on the gains of the optokinetic (OKR) and vestibulo-ocular (VOR) reflexes, suggesting a positive modulatory role of the cholinergic system in the flocculus.
(16) Anterogradely labeled axons collected at the base of the injected folia and coursed caudally and medially between the middle cerebellar peduncle and the flocculus.
(17) Bilateral microinjections into the cerebellar flocculus of the rabbit of carbachol, a general cholinergic agonist, profoundly affect vestibuloocular (VOR) and optokinetic (OKR) reflexes.
(18) On the other hand, most neurons in the VY receive monosynaptic inputs from the i8N, and some of these neurons project to the ipsilateral flocculus.
(19) Other, parallel VOR pathways do not receive inputs from the flocculus and are not subject to learning.
(20) Implantation of the orifice of the duct with a flocculus of the skin into the oral cavity was performed with a good result.
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).