(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.
Peduncle
Definition:
(n.) The stem or stalk that supports the flower or fruit of a plant, or a cluster of flowers or fruits.
(n.) A sort of stem by which certain shells and barnacles are attached to other objects. See Illust. of Barnacle.
(n.) A band of nervous or fibrous matter connecting different parts of the brain; as, the peduncles of the cerebellum; the peduncles of the pineal gland.
Example Sentences:
(1) Exposure to short photoperiod increased the number of immunoreactive cell bodies within the anterior hypothalamus and preoptic area (AHPOA) and also increased the optical density for staining of immunoreactive cell bodies in the AHPOA and olfactory peduncle.
(2) In excised regenerating peduncles algae divide before digestive cells, and at the onset of digestive cell division mitotic cells were found to contain almost twice the number of algae as before excision.
(3) ruber, anterodorsolateral midbrain tegmentum, superior and inferior colliculi, pontine gray, cerebral peduncles, medial pontine reticular formation, raphe and vestibular nuclei did not affect the acoustic structure of the calls tested.
(4) 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.
(5) Individual axons leave the ventral peduncle and run dorsally in the transverse plane, entering the dorsal lateral geniculate complex from its ventral edge.
(6) All of those lesions were located in the brainstem or cerebellar peduncles and were identified by NMR, but missed by CT.
(7) This copper-chelating agent produces demyelination in the corpus callosum and superior cerebellar peduncles, and when treatment is stopped, there is rapid remyelination.
(8) In our case there was a "flow" of carcinomatous cells along the fistula, which entered the meningocele, invading the subdural space as far as the peduncle.
(9) The presence of Arg-Phe-amide (RFamide)-like peptides in dense-cored vesicles in neurons of the peduncle of Hydra was demonstrated by immunogold electron microscopy.
(10) The dorsolateral, lateral, and medial pontine nuclei and the middle cerebellar peduncle were effective stimulation-CS sites for training.
(11) Other precerebellar nuclei which send their cerebellipetal axons to the inferior cerebellar peduncle, such as the external cuneate nucleus, the lateral reticular nucleus and the arcuate nucleus, were normally preserved.
(12) In these pontocerebellar infarcts the middle cerebellar peduncle was the core of the affected territory.
(13) Conditioning-test procedures revealed that cerebral peduncle stimulation strongly blocked the thalamocortical (test) response, especially after ethanol, but thalamic stimulation (conditioning) had no effect upon the surface negative wave.
(14) Pathologically there was necrosis of the optic chiasma and focal areas of myelin sheath vacuolation or demyelination in certain areas of the brain, especially in the cerebellar peduncles.
(15) Section of the superior cerebellar peduncle just rostral to the deep cerebellar nuclei results in degenerating axon terminals within the contralateral inferior olive.
(16) These high intensity areas of internal capsule, brain stem and middle cerebellar peduncle on T2 weighted image would be significant for understanding pyramidal tract sign and cerebellar sign of this case.
(17) Postmortem studies were carried out upon five cases and showed either pathological changes in the cerebellum or a lesion involving the cerebellar peduncles in the brain stem.
(18) We concluded that in combination with intra-operative CSF drainage and the sitting position the infratentorial supracerebellar approach allows safe access to lesions situated in an area limited by the posterior part of the third ventricle, the fastigium level and both cerebellar peduncles.
(19) The centre for control of the four eye-muscle nerves in the anterior lateral pedal lobe receives many fibres direct from the statocyst and from the peduncle and basal lobes, but none direct from the optic lobe.
(20) Cerebellar cortex, cerebellar peduncles and spinocerebellar tracts were preserved.