(1) With regard to the pathogenesis of syringomyelia, we concluded that in cases associated with Chiari II malformation, vermian protrusion and direct continuity between the fourth ventricle and the syrinx were essential.
(2) There was negative correlation between vermian size and the duration of illness both in OPCA (r = 0.8960, p less than 0.001) and LCCA (r = 0.7756, p less than 0.01), but the progression rate in OPCA was three times greater than that in LCCA.
(3) They included enlargement of the lateral cisterns, loss of superior cerebellar vermian substance with prominence of the superior cerebellar cisterns, and fourth ventricle enlargements.
(4) Ultrasound was inadequate in initial assessment, as it missed or underestimated posterior fossa haemorrhage, particularly where this was extraparenchymal or vermian.
(5) The CT scans of six subjects (20%) differed considerably from the others as they displayed wide cortical or vermian sulci at the borderline of normal variations.
(6) Solitary tumors are located in the cerebellar hemipheres in about 80 per cent of cases, where they are of macrocystic type (type 2) in a proportion of two third; vermian tumors are equally of cystic and solid (type 3 and 4) types.
(7) From March 1976 to October 1977, 197 cases of brain tumors were examined by CT, 6 tumors (1 pineal tumor, 2 cerebellar vermian tumors and 3 supratentorial tumors) of which were radiated after the initial CT scan and re-examined by CT at every 400-1,000 rads radiation, and their grade of radiosensitivity could be evaluated.
(8) Cerebellar vermian tumors suspected of medulloblastoma were also diminished in size on CT after the 600 rads radiation.
(9) Findings of CNS lesions in both the midbrain (high-signal-intensity lesions) and the cerebellum (vermian atrophy) necessitate further characterization of these defects in terms of their progressive nature and clinical significance for patients with Usher's syndrome.
(10) Computed tomographic (CT) scans, however, usually can demonstrate the circle of Willis, and the basilar, sylvian quadrigeminal, and vermian cisterns.
(11) We reported a case of a 64-year-old man who presented a subarachnoid hemorrhage due to rupture of an aneurysm arising from the cortical branch of the superior cerebellar artery (SCA) at the junction of the superior vermian branch and the hemispheric branch.
(12) Areas of cerebellar vermian lobules, the fourth ventricle, the pituitary gland, and the corpus callosum were measured on sagittal images.
(13) In this case of paraneoplastic cerebellar degeneration, MRI showed cerebellar vermian atrophy when the brain CT scan was negative.
(14) Seventeen years later, at age 60, he had resection of a fourth ventricular vermian lesion, which was found to be histologically identical to the original lesion.
(15) Schizophrenia and affective psychoses share the following: 1) several treatments are effective in both, 2) similar modes of inheritance, 3) congruent seasonal birth excesses, 4) enlarged cerebral ventricles and cerebellar vermian atrophy, 5) dexamethasone non-suppression.
(16) Groups IIB and IIA only differed in drug use, and IIB had a higher incidence of brain damage except for anterior horn index and wide cerebellar sulci indicating vermian atrophy.
(17) The major changes that may occur in elderly individuals without neurologic deficits include enlargement of the ventricles, cortical sulci, and vermian subarachnoid spaces; multifocal areas of hyperintensity in the white matter and basal ganglia; a progressive prominence of hypointensity on T2-weighted images of the putamen, almost equal to that of the globus pallidus; an increase in the oxygen extraction ratio with normal or mildly decreased neuron metabolism; arteriosclerosis in large and small arteries and amyloid angiopathy in leptomeningeal cortical vessels; and decreased dopamine receptor binding in the corpus striatum.
(18) The central nervous system lesions were most prominent in the lateral pyramidal tracts of the spinal cord, the fasciculi gracili of the dorsal column in the cervical spinal cord and the cerebellar vermian white matter.
(19) LCCA was suggested the preclinical vermian atrophy by the statistical regression study.
(20) All five melanotic neuroectodermal tumors were resected and the vermian tumor was also irradiated.
Worm
Definition:
(n.) A creeping or a crawling animal of any kind or size, as a serpent, caterpillar, snail, or the like.
(n.) Any small creeping animal or reptile, either entirely without feet, or with very short ones, including a great variety of animals; as, an earthworm; the blindworm.
(n.) Any helminth; an entozoon.
(n.) Any annelid.
(n.) An insect larva.
(n.) Same as Vermes.
(n.) An internal tormentor; something that gnaws or afflicts one's mind with remorse.
(n.) A being debased and despised.
(n.) Anything spiral, vermiculated, or resembling a worm
(n.) The thread of a screw.
(n.) A spiral instrument or screw, often like a double corkscrew, used for drawing balls from firearms.
(n.) A certain muscular band in the tongue of some animals, as the dog; the lytta. See Lytta.
(n.) The condensing tube of a still, often curved and wound to economize space. See Illust. of Still.
(n.) A short revolving screw, the threads of which drive, or are driven by, a worm wheel by gearing into its teeth or cogs. See Illust. of Worm gearing, below.
(v. i.) To work slowly, gradually, and secretly.
(v. t.) To effect, remove, drive, draw, or the like, by slow and secret means; -- often followed by out.
(v. t.) To clean by means of a worm; to draw a wad or cartridge from, as a firearm. See Worm, n. 5 (b).
(n.) To cut the worm, or lytta, from under the tongue of, as a dog, for the purpose of checking a disposition to gnaw. The operation was formerly supposed to guard against canine madness.
(n.) To wind rope, yarn, or other material, spirally round, between the strands of, as a cable; to wind with spun yarn, as a small rope.
Example Sentences:
(1) Other filarial worms which are known to occur in the RSA are discussed.
(2) The drugs were moderately potent inhibitors of both E. electricus and C. elegans acetylcholinesterase but at concentrations too high to account for their abilities to contract cut worms.
(3) The sectioned worm tissues from each developmental stage were embedded in Lowicryl HM 20 medium, stained with infected serum IgG and protein A gold complex (particle size: 12 nm) and observed by electron microscopy.
(4) glp-4(bn2ts) mutant worms raised at the restrictive temperature contain approximately 12 germ nuclei, in contrast to the 700-1000 present in wild-type adults.
(5) Fluorescein isothiocyanate (FITC)-ricin exhibited binding to schistosomula and adult worms, but not to cercariae or to freshly transformed schistosomula.
(6) Sera from S. mansoni-infected patients with a high specificity for the diagnostic S. mansoni-antigen cross-reacted with a corresponding component also in S. japonicum worms.
(7) To understand mechanisms involved in sex-specific gene expression in Schistosoma mansoni, a cDNA (fs800) was isolated that hybridized to an 800 nucleotide mRNA present in high levels only in mature female worms.
(8) Three freeze-thaw cycles released a large proportion (50% to 60%) of the TCA-precipitable radioactivity from the worms.
(9) Antigen inhibition studies showed low and high levels of cross-reactivity with anti-worm and anti-egg antibodies, respectively, derived from both Chinese and Philippine patients.
(10) Only eosinophils adhered to 2 h newborn worms and only macrophages to 20 h ones.
(11) Worms had invaded the bile duct in 51 patients, the pancreatic duct in four and both ducts in four.
(12) The number of ovarian balls rises to about 6300 per worm, with the maximum being attained more rapidly in unfertilized than in fertilized females.
(13) Or perhaps the "mad cow"-fuelled beef war in the late 1990s, when France maintained its ban on British beef for three long years after the rest of the EU had lifted it, prompting the Sun to publish a special edition in French portraying then president Jacques Chirac as a worm.
(14) Three bulls selected for high faecal worm egg counts and three bulls selected for low faecal worm egg counts were mated to Africander-Hereford cross cows.
(15) Among 30 villagers who were treated, 4 (13.3%) passed this species with an average of 2.5 worms per infection.
(16) Successful tests were carried out on 84 farms and 68% of these had resistant worms present.
(17) A higher retention rate of intestinal adult worms was observed in hydrocortisone-treated mice.
(18) No evidence was obtained for the involvement of monoamine oxidases in the metabolism of 5-HT in these filarial worms.
(19) Radiocarbons from glucosamine and leucine were incorporated into tissue glycogen of female worms much less than glucose.
(20) The heads were examined for adult and larval meningeal worms (Parelaphostrongylus tenuis) by physical examination of the brain surfaces, and the Baermann technique, respectively, and for ear mites by examination of ear scrapings.