(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.
Pedunculate
Definition:
(a.) Alt. of Pedunculated
Example Sentences:
(1) Eradication of the pedunculated and narrow-based polyps in stomach was almost totally successful by injection into the base.
(2) An unusual case of a one-day-old infant with significant left ventricular outflow obstruction produced by a pedunculated fibroma is described.
(3) We classify the hernias as pedunculated or sessile, with associated factors such as viability of herniated brain, infection, CSF leak, and neurologic complications.
(4) Nine pedunculated benign synoviomata causing mechanical symptoms similar to those of a torn meniscus are described.
(5) This communication describes the removal of such a pedunculated distal antral polyp which not only caused intermittent pyloric obstruction but also a moderately severe iron deficiency anemia in an 82-year old female.
(6) A case is presented with a giant pedunculated leiomyoma of the esophagus.
(7) The lesion is considered to be related to the pedunculated adenomyomatous polyp.
(8) Interestingly, patients with pedunculated tumors persisted in having an improved survival even after correcting for vascular invasion, compared with patients having broad-based tumor attachment.
(9) The continuity of the alimentary tract was re-established by pedunculated intestinal segment from the jejunum, ileum or left side of the colon in the anisoperistaltic position.
(10) This tumor was a pedunculated endobronchial type measuring 6 x 4 x 3cm.
(11) coronator was found with mature pedunculate oocysts.
(12) Large polyps are sessile or pedunculated lesions that are larger than or equal to 3 cm in size.
(13) This rare, benign tumor almost always occurs as a pedunculated solitary mass that arises from the posterior tongue near the foramen cecum.
(14) Variable lengths of stalk of colonic pedunculated adenomas may be left behind at polypectomy.
(15) Then, upon colonic fiberscopy, a solitary small pedunculated polyp was detected in the rectosigmoid region.
(16) The carcinoma protruded into the bulla just like a pedunculated polyp.
(17) Depending on three related factors (increasing size, a sessile rather than pedunculated mode of growth, and a villous rather than tubular microscopic architecture), one may find minute (1 to 2-mm) or microcancer with increasing frequency in adenomas.
(18) Factors associated with more severe haemorrhage were size, pedunculation, and villous growth; the degree of epithelial dysplasia and the age and sex of the patient were not associated factors.
(19) In another patient who had a pedunculated but immobile ball thrombus, a stalk was identified which attached it to the inter-atrial septum; this patient died suddenly before surgery could be performed, due to detachment of the thrombus and obstruction of the mitral valve orifice.
(20) But lymph-nodes metastasis could not be found in the cases of pedunculated protruded type early cancer, II a type mucosal cancer smaller than 1cm, and II c type well differentiated adenocarcinoma limited to the mucosal layer with no ulceration.