(n.) A stalk which supports one flower or fruit, whether solitary or one of many ultimate divisions of a common peduncle. See Peduncle, and Illust. of Flower.
(n.) A slender support of any special organ, as that of a capsule in mosses, an air vesicle in algae, or a sporangium in ferns.
(n.) A slender stem by which certain of the lower animals or their eggs are attached. See Illust. of Aphis lion.
(n.) The ventral part of each side of the neural arch connecting with the centrum of a vertebra.
(n.) An outgrowth of the frontal bones, which supports the antlers or horns in deer and allied animals.
Example Sentences:
(1) Quantitative determination of the major saponins in fruit pedicels from the plant was made by thin layer chromatography-densitometry.
(2) Adults of the neotenic (paedomorph) Necturus maculosus possess in the upper jaw and the palate rather uniform, conical, monocuspid teeth arranged in a single line ("Zahnzeile"; monostichous pattern) and showing a broad dividing zone, which separates the pedicel and the distal crown.
(3) It was most similar to R. spinicephalum Campbell 1970 but differed by having fewer proglottids (15 to 26 vs. 36 to 49), smaller peduncle (110 to 146 vs. 330 to 470) and pedicels (100 to 180 vs. 170 to 370), fewer transverse septa (6 to 8 vs. 16 to 17), fewer total loculi per bothridium (22 to 30 vs. 32 to 34) and larger ovarian lobes (148 to 310 vs. 88 to 176).
(4) Loss of podocyte pedicels involves a gradual decrease in pedicel height beginning at the pedicel tip and progressing down the pedicel arm, formation of nublike protrusions and interpedicel microbridges (35 to 45 nm.
(5) The Böhm bristles of Lepidoptera occur in precise areas of the scape and pedicel of the antenna.
(6) In contrast, podocytic pedicel width along the glomerular basement membrane increased from summer activity to early hibernation, before significantly decreasing again by late hibernation.
(7) Six saponins were isolated from the fruit pedicels of Panax notoginseng.
(8) With the onset of proteinuria and oliguria, PAN rats exhibit loss of podocyte pedicels and podocyte major processes, an increase in pinocytotic activity, and an accumulation of cytoplasmic vacuoles and granules of variable size, shape, and electron density.
(9) Hydranth life spans can be extended to 20 days in isolated hydranths if, repeatedly, the pedicel is damaged by pinching and is allowed to partially regen-erate.
(10) Considerable hypervascularization is found in hepatocellular adenoma but not in FNH, although in FNH large vascular pedicel may be observed at the periphery.
(11) Experimental results showed that the root or pedicel area of the frog tooth was an intrinsic part of the tooth.
(12) The foregoing observations support the view that pedicel loss in puromycin aminonucleoside nephrosis may be due to a reduction in the glomerular epithelial polyanionic sialic acid surface coat.
(13) Repeated ovarian developmental cycles were responsible for the bi-ovipositional pattern as indicated by the presence of 2 dilatations in the ovariolar pedicel of bi-autogenous females and by the early stages of development of the ovaries (II and II B) observed 1-3 days following initial oviposition, later stages of maturation occurred progressively.
(14) They have cytoplasmic processes and pedicels which enclose narrow slits between them and that are apposed to a basal lamella.
(15) This study demonstrates that the type II cell has certain conelike morphologic features including a pale nucleus, complex synaptic pedicel, and multiple wrappings of the outer segment by microvilli of the pigment epithelium.
(16) In addition to GBM abnormalities, renal biopsy features included a slight mesangial matrix increase, occasional mesangial cell excess and often appreciable pedicel effacement.
(17) A flowback might be prevented by capillary effect of a "ball" of vesicles, which lies exactly above the outlet of the scale pedicel.
(18) There was no evidence that a loss of pedicel organization occurred with any of the three treatment times studied.
(19) No significant changes were observed in glomerular basement membrane thickness and width of podocyte pedicels.
(20) Some of the periplasmic bodies were connected to protoplasts by fine pedicels; others appeared free.
Thalamus
Definition:
(n.) A mass of nervous matter on either side of the third ventricle of the brain; -- called also optic thalamus.
(n.) Same as Thallus.
(n.) The receptacle of a flower; a torus.
Example Sentences:
(1) While the heaviest anterogradely labeled ascending projections were observed to the contralateral ventral posterolateral nucleus of the thalamus, pars oralis (VPLo), efferent projections were also observed to the contralateral ventrolateral thalamic nucleus (VLc) and central lateral (CL) nucleus of the thalamic intralaminar complex, magnocellular (and to a lesser extent parvicellular) red nucleus, nucleus of Darkschewitsch, zona incerta, nucleus of the posterior commissure, lateral intermediate layer and deep layer of the superior colliculus, dorsolateral periaqueductal gray, contralateral nucleus reticularis tegmenti pontis and basilar pontine nuclei (especially dorsal and peduncular), and dorsal (DAO) and medial (MAO) accessory olivary nuclei, ipsilateral lateral (external) cuneate nucleus (LCN) and lateral reticular nucleus (LRN), and to a lesser extent the caudal medial vestibular nucleus (MVN) and caudal nucleus prepositus hypoglossi (NPH), and dorsal medullary raphe.
(2) The hippocampus plays an essential role in the laying down of cognitive memories, the pathway to the frontal lobe being via the MD thalamus.
(3) Neurons containing moderate to high concentrations of ChE reaction product were found in 3 distinct regions of the dorsal thalamus.
(4) Morphological results demonstrated that 30 Gy irradiated animals showed extensive necrosis primarily in the fimbria, which extended into the internal capsule, optic nerve, hippocampus, and thalamus.
(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) The presence of gelatinosa neurons projecting to the thalamus emphasizes a point made in earlier reports, that these neurons do not form an homogeneous population.
(7) The existence is therefore proposed of some neural mechanism that controls the higher cerebral function of writing via the thalamus.
(8) To identify the origin of scalp-recorded far-field negativity of short-latency somatosensory evoked potentials to median nerve stimulation (designated N18), direct records were made from the thalamus and ventricular system during 4 stereotaxic and 3 posterior fossa operations.
(9) The neighbouring neocortical areas receive afferents neither from the mediodorsal nucleus of the thalamus nor from the ventral mesencephalic tegmentum; their catecholamine innervation is mainly confined to the superficial layers and appears to be of noradrenergic nature.
(10) The tonic influences were expressed in an increase in the amplitude parameters of the responses of the visual cortex in conditions of the formation in the posterolateral nucleus of the thalamus of a focus of heightened excitability (anode polarization), and their perceptible diminution with potassium depression in this nucleus.
(11) Glutamate-immunoreactive neurons were present throughout the acoustic thalamus, including the regions containing the retrogradely labeled neurons.
(12) Neutral aminopeptidase activity showed a significant decrease in the thalamus and cerebellum with marked (not significant) changes in the hypothalamus, hippocampus, medulla, and occipital cortex.
(13) CT findings of 6 cases with germinoma originating in the basal ganglia and thalamus are reported.
(14) Parkinsonism in the present case may be due to the involvement of multiple neuronal circuits of the extrapyramidal system at the level of the midbrain to the thalamus.
(15) Thus, the possibility of defects at other sites, such as the globus pallidus or thalamus must be considered.
(16) Histochemically the lowered activity of enzymes was localized mainly in the neuropil of: striatum, the Broc's nuclei and rhinencephalon: in the nervous cells of: Ammon's horn, nuclei of thalamus and in neocortex.
(17) Peripheral nerve grafts were inserted into the thalamus in 27 Sprague-Dawley rats.
(18) For the stereotactic treatment of Parkinson's disease, the target is usually located in the thalamus; this point is related to nearby structures (third ventricle).
(19) CT findings of them revealed that the hematomas were large or invaded toward the internal capsule and thalamus.
(20) Background activity recorded extracellularly from three anterior (limbic) nuclei of the thalamus was analyzed in chronic unanesthetized rabbits.