(1) DYN B cell bodies were present in nonpyramidal cells of neo- and allocortices, medium-sized cells of the caudate-putamen, nucleus accumbens, lateral part of the central nucleus of the amygdala, bed nucleus of the stria terminalis, preoptic area, and in sectors of nearly every hypothalamic nucleus and area, medial pretectal area, and nucleus of the optic tract, periaqueductal gray, raphe nuclei, cuneiform nucleus, sagulum, retrorubral nucleus, peripeduncular nucleus, lateral terminal nucleus, pedunculopontine nucleus, mesencephalic trigeminal nucleus, parabigeminal nucleus, dorsal nucleus of the lateral lemniscus, lateral superior olivary nucleus, superior paraolivary nucleus, medial superior olivary nucleus, ventral nucleus of the trapezoid body, lateral dorsal tegmental nucleus, accessory trigeminal nucleus, solitary nucleus, nucleus ambiguus, paratrigeminal nucleus, area postrema, lateral reticular nucleus, and ventrolateral region of the reticular formation.
(2) Outside PAG, labelled cells and terminal labelling were observed in the cuneiform, parabrachial and intercollicular nuclei, in the deep and intermediate gray layers of the superior colliculus, in the anterior and posterior pretectal nuclei and in the nucleus of Darkschewitsch.
(3) The mesencephalic central grey contained relatively few labeled neurons, the great majority of them being mesencephalic trigeminal, ectopic cuneiform or midline cells.
(4) Bilateral stimulation of electrodes aimed at the cuneiform nucleus produced significant inhibition of the startle response produced by presentation of an 8-kHz, 110-dB tone.
(5) Furthermore, isolated retrogradely labeled cells were present in the central nucleus of the raphe, in the cuneiform nucleus, and in the periaqueductal gray.
(6) The last patient was treated by arthrodesis between the first cuneiform and the first metatarsal for plantar-flexion the first ray.
(7) Special emphasis is directed toward the angle formed between the first metatarsal base and medial cuneiform, which these investigators believe has not been previously described.
(8) An increased density of bony lamellae in the internal structure of the navicular bone could result from excessive stress, enforced by its close relationship to the three cuneiform bones.
(9) In 93% of sites in the cuneiform area this procedure gave only freezing, although subsequent testing with repeated injections produced fast running in 53% of these sites.
(10) Two of the targets of the ipsilateral descending pathway from the superior colliculus are the cuneiform area (immediately ventral to the inferior colliculus), and the dorsolateral basilar pons.
(11) It get release of metatarsal stiffness before 6 years of age, then in older we make osteotomy of 1 degree cuneiform and cuboid to correct bone deformity.
(12) This is a case report of a tarsal coalition involving a bilateral symmetrical synchondrosis of the navicular first cuneiform bones in a 37-year-old Hispanic man.
(13) A case of Candida albicans arthritis involving a knee and cuneiform bone is presented.
(14) Although many tectal cells were single-labelled by injections into basilar pons or the cuneiform area, less than 5% were double-labelled.
(15) Moreover, eversion of an average of 6.2 degrees often only occurs as a result of dorsal displacement of the joint surfaces of the first metatarsal in relation to the first cuneiform by an average of 2.6 mm.
(16) The incidence of the cuneiform cartilage and cartilago triticea was greater in the female than in the male.
(17) Since the ipsilaterally projecting laminae V-VII interneurones with such an input might be involved in locomotion, it is proposed that this is also the case for the contralaterally projecting lamina VIII midlumbar interneurones, especially those excited by stimuli applied in the cuneiform nucleus (mesencephalic locomotor region).
(18) The fact that the histological picture does not provide too much data on the etiopathogenic mechanism of the cuneiform lesions it may be considered that the occluding trauma is one of the major causes of these coronal lesions.
(19) To avoid the dropfoot deformity and retain mobility of the ankle, the amputation was modified by transposing the tibialis anterior from metatarsal I to cuneiform I.
(20) This conceptual revolution is the result of progress in a number of fields: precise information concerning the situation and, more particularly, the variability of "instantaneous axes", a better understanding of the anatomy of ligaments and their role, allowing their grouping into functional units: the anterior and posterior ligamentous straps and the cuneiform sling which determines its stability and basic movements.
Pyramidal
Definition:
(a.) Of or pertaining to a pyramid; in the form of a a pyramid; pyramidical; as, pyramidal cleavage.
(a.) Same as Tetragonal.
(n.) One of the carpal bones. See Cuneiform, n., 2 (b).
Example Sentences:
(1) Immunocytochemical analyses of the hippocampus demonstrated that alpha-amino-3-hydroxy-5-methyl-isoxazole-4-propionate receptor subunits are present in the cell bodies and dendrites of pyramidal cells.
(2) To study these changes more thoroughly, specific monoclonal antibodies of the A and B subunits of calcineurin (protein phosphatase 2B) were raised, and regional alterations in the immunoreactivity of calcineurin in the rat hippocampus were investigated after a transient forebrain ischemic insult causing selective and delayed hippocampal CA1 pyramidal cell damage.
(3) It is also suggested that degenerative changes occur in the dentate gyrus and may be involved in the delayed neural death of CA1 pyramidal cells.
(4) It is concluded that catechol potentiates excitatory transmission at the LOT-superficial pyramidal cell synapse, possibly by increasing evoked transmitter release.
(5) The occurrence of paresis or paralysis in ischemic processes strictly situated in the thalamus, however, is discussed: the deficit may be limited to parts of limbs; most often, it is not associated with pyramidal symptomatology; recovery is observed in the hand before the inferior limb.
(6) A train of conditioning stimuli to either of the midbrain nuclei produced inhibition of evoked population spikes recorded in the CA1 pyramidal cell layer of the hippocampus.
(7) The deficits noted in the granule cells of the dentate gyrus in this study were more severe than those found in our previous studies on the effect of the low protein diet in these same rats on visual cortical pyramidal cells and on the 3 cell types in the nucleus raphe dorsalis and nucleus locus coeruleus.
(8) The alterations of dendritic trees of pyramidal neurons of layer III of visual cortex of the rat exposed to the influence of space flight aboard biosputnik "Cosmos-1887" were studied and the results are described to illustrate the methods power.
(9) In the perineuronal neuropil of large pyramidal neurons (layers V-VI) there appear symmetric synapses with pyramidal cells, dendritic processes and dendritic spines.
(10) One PCR product hybridized to a 4.0 kb RNA concentrated in subpopulations of putative glutamatergic neurons including mitral cells of the olfactory bulb, pyramidal cells of layer V of the cerebral cortex, pyramidal cells of the piriform cortex, and pyramidal cells of field CA3 of the hippocampus.
(11) Injections with extensive spread of horseradish peroxidase show that many cells of lamina 4B and the large pyramidal neurons of upper lamina 6 also project extrinsically but their terminal sites have not been identified.
(12) The operatory technic used is very classic: septoplasty as the first step, then rhinoplasty by extra mucosal way, with paramedial and lateral osteotomies allowing rebuilding of nasal osseous pyramid.
(13) Alzheimer's disease presently is the commonest cause in the developed world, causing a cortical-subcortical degeneration of ascending cholinergic neurons and large pyramidal cells in the cerebral cortex.
(14) The medullary pyramid (MP) and the ventral funiculus (VF), ipsilateral to the hemispheric lesion, were compared with the MP and VF of the other, unaffected, side.
(15) Thus, hippocampal pyramidal and cortical neurons in both rat and Mongolian gerbil (M. unguiculatus) show abundant lysosomal dense bodies and disorganisation of the protein-synthesising apparatus.
(16) In Golgi-Cox-impregnated coronal sections of albino rat brains at 1, 4, 26, 24, 30, 60 and 90 days it is presented the evolution of the spine-less, bare initial zone ("nude zone", NZ) at the proximal apical main dendrites of the layer V pyramidal neurons in the somatosensory and anterior limbie cortex.
(17) The developmental pattern of hippocampal mossy fiber (dentate granule cell axon) innervation to the pyramidal cell layer was examined with anterograde transport methods.
(18) In the hippocampal slice in vitro, CGP 37849 selectively and reversibly antagonized NMDA-evoked increases in CA1 pyramidal cell firing rate.
(19) The pattern of results obtained in the present experiments supports the following conclusions: In old rats, individual Schaffer collateral synapses do not appear to have altered AMPA receptor properties, as neither the mean size of the unitary synaptic response nor the apparent quantal size differs between age groups; however, the data do support the conclusion that there are fewer synapses per Schaffer collateral branch in old versus young CA1 pyramidal cells.
(20) A 15-year-old boy presented with progressive pyramidal and extrapyramidal signs, anterior horn cell dysfunction, and behavioral disturbances suggesting a diagnosis of neuronal intranuclear inclusion disease.