(a.) Pertaining to a thin membrane of the brain and spinal cord, between the dura mater and pia mater.
(a.) Covered with, or composed of, soft, loose hairs or fibers, so as to resemble a cobweb; cobwebby.
(n.) The arachnoid membrane.
(n.) One of the Arachnoidea.
Example Sentences:
(1) Diagnostic work-up and management of intracranial arachnoid cysts are still controversial.
(2) Seventy-eight patients presented optochiasmal arachnoiditis: 12 had trigeminal neuralgia; 1, arachnoiditis of the cerebellopontile angle; 6, arachnoiditis of the convex surface of the brain; and 3, the hypertensive hydrocephalic syndrome due to occlusion of the CSF routes.
(3) Within the arachnoid mater the immunoreactivity was concentrated in the basal zone of the arachnoid membrane, thus appearing as a narrow fluorescent band near the border of the dura.
(4) True arachnoid cysts of the suprasellar region are uncommon and have rarely been diagnosed pre-operatively.
(5) Four mechanisms for the formation of ectopic meningioma have been suggested: (a) direct extension of an intracranial lesion; (b) distant metastasis from an intracranial meningioma; (c) origin from arachnoid cells within the sheaths of cranial nerves; and (d) origin from embryonic nests of arachnoid cells.
(6) A series is reported of 9 cases of supratentorial arachnoid cysts in children under the age of 14 years.
(7) The second patient had optic nerve involvement as well as two intracranial parenchymal lesions and granulomatous arachnoiditis.
(8) The association of an arachnoidal cyst in the middle cranial fossa with a subdural haematoma or intracystic bleeding is emphasised.
(9) In addition, it proposes a modification of the standard dural closure that may reduce the incidence of contributory adhesive arachnoiditis by the creation of a capacious cerebrospinal fluid space about the neural plaque.
(10) Subarachnoid alumina may be a good model for human arachnoiditis.
(11) The delayed appearance of syringomyelia after a severe single spinal trauma resulting in contusion of the spinal cord without the complication of arachnoiditis is a more recent issue, but is now well-known.
(12) Many thousands of arachnoid villi subtend all the membranes from the intrathecal space, and many of these end in the large epidural veins.
(13) SSFP MR images helped markedly in diagnosis of hemorrhagic, epidermoid, and arachnoid cysts.
(14) The main causes are Potts Disease, arachnoiditis, tropical spastic paraplegia, trauma, lathyrism and cord compression.
(15) The author evaluates the dynamics of immune reactivity of the body in patients with cerebral arachnoiditis with consideration of main clinical syndrome--hypertensive-hydrocephalic, epileptiform, autonomic-vascular dystonia syndromes in different variants of the course of the process.
(16) This observation relates a case of spinal arachnoiditis with paraplegia, for a 56 year old patient hospitalized for a S.A.H.
(17) These findings suggest alternative drainage pathways for CSF besides the arachnoid villi (Pacchionian bodies) including connections with lymphatics in the neck and along the olfactory nerve, and around the cribiform plate to the nasal submucosa, and with proptosis, perhaps also through the aqueous humor-canal of Schlemm and nasolacrimal duct.
(18) Gross morphological features of cystic larvae, complex arachnoid cysts, granulomatous abscesses, basal meningitis and mineralised nodules correlated closely with the images obtained, especially on MR, where resolution permitted visualisation of larval protoscolices.
(19) CT scan demonstrated an arachnoid cyst in the left Sylvian fissure.
(20) The authors report long-term results in 17 patients with surgically treated congenital intradural spinal arachnoid cysts.
Round
Definition:
(v. i. & t.) To whisper.
(a.) Having every portion of the surface or of the circumference equally distant from the center; spherical; circular; having a form approaching a spherical or a circular shape; orbicular; globular; as, a round ball.
(a.) Having the form of a cylinder; cylindrical; as, the barrel of a musket is round.
(a.) Having a curved outline or form; especially, one like the arc of a circle or an ellipse, or a portion of the surface of a sphere; rotund; bulging; protuberant; not angular or pointed; as, a round arch; round hills.
(a.) Full; complete; not broken; not fractional; approximately in even units, tens, hundreds, thousands, etc.; -- said of numbers.
(a.) Not inconsiderable; large; hence, generous; free; as, a round price.
(a.) Uttered or emitted with a full tone; as, a round voice; a round note.
(a.) Modified, as a vowel, by contraction of the lip opening, making the opening more or less round in shape; rounded; labialized; labial. See Guide to Pronunciation, / 11.
(a.) Outspoken; plain and direct; unreserved; unqualified; not mincing; as, a round answer; a round oath.
(a.) Full and smoothly expanded; not defective or abrupt; finished; polished; -- said of style, or of authors with reference to their style.
(a.) Complete and consistent; fair; just; -- applied to conduct.
(n.) Anything round, as a circle, a globe, a ring. "The golden round" [the crown].
(n.) A series of changes or events ending where it began; a series of like events recurring in continuance; a cycle; a periodical revolution; as, the round of the seasons; a round of pleasures.
(n.) A course of action or conduct performed by a number of persons in turn, or one after another, as if seated in a circle.
(n.) A series of duties or tasks which must be performed in turn, and then repeated.
(n.) A circular dance.
(n.) That which goes round a whole circle or company; as, a round of applause.
(n.) Rotation, as in office; succession.
(n.) The step of a ladder; a rundle or rung; also, a crosspiece which joins and braces the legs of a chair.
(n.) A course ending where it began; a circuit; a beat; especially, one freguently or regulary traversed; also, the act of traversing a circuit; as, a watchman's round; the rounds of the postman.
(n.) A walk performed by a guard or an officer round the rampart of a garrison, or among sentinels, to see that the sentinels are faithful and all things safe; also, the guard or officer, with his attendants, who performs this duty; -- usually in the plural.
(n.) A general discharge of firearms by a body of troops in which each soldier fires once.
(n.) Ammunition for discharging a piece or pieces once; as, twenty rounds of ammunition were given out.
(n.) A short vocal piece, resembling a catch in which three or four voices follow each other round in a species of canon in the unison.
(n.) The time during which prize fighters or boxers are in actual contest without an intermission, as prescribed by their rules; a bout.
(n.) A brewer's vessel in which the fermentation is concluded, the yeast escaping through the bunghole.
(n.) A vessel filled, as for drinking.
(n.) An assembly; a group; a circle; as, a round of politicians.
(n.) See Roundtop.
(n.) Same as Round of beef, below.
(adv.) On all sides; around.
(adv.) Circularly; in a circular form or manner; by revolving or reversing one's position; as, to turn one's head round; a wheel turns round.
(adv.) In circumference; as, a ball is ten inches round.
(adv.) From one side or party to another; as to come or turn round, -- that is, to change sides or opinions.
(adv.) By or in a circuit; by a course longer than the direct course; back to the starting point.
(adv.) Through a circle, as of friends or houses.
(adv.) Roundly; fully; vigorously.
(prep.) On every side of, so as to encompass or encircle; around; about; as, the people atood round him; to go round the city; to wind a cable round a windlass.
(v. t.) To make circular, spherical, or cylindrical; to give a round or convex figure to; as, to round a silver coin; to round the edges of anything.
(v. t.) To surround; to encircle; to encompass.
(v. t.) To bring to fullness or completeness; to complete; hence, to bring to a fit conclusion.
(v. t.) To go round wholly or in part; to go about (a corner or point); as, to round a corner; to round Cape Horn.
(v. t.) To make full, smooth, and flowing; as, to round periods in writing.
(v. i.) To grow round or full; hence, to attain to fullness, completeness, or perfection.
(v. i.) To go round, as a guard.
(v. i.) To go or turn round; to wheel about.
Example Sentences:
(1) Blatter requires a two-thirds majority of the 209 voters to triumph in the opening round, with a simple majority required if it goes to a second round.
(2) An argon laser beam was used to irradiate the round window in 17 guinea pigs.
(3) Having been knocked out of the League Cup and Cup Winners' Cup before Christmas, they lost an FA Cup fourth-round replay at West Brom on 1 February.
(4) Certainly, Saunders did not land a single blow that threatened to stop his opponent, although he took quite a few himself that threatened his titles in the final few rounds.
(5) Only seven films (or 0.7 percent of the entire cohort) showed nodular or rounded opacities of the type typically seen in uncomplicated silicosis.
(6) In the absence of guanine nucleotides, or in the presence of a non-hydrolyzable GTP analog, only one round of ribosome binding occurs.
(7) But still we have to fight for health benefits, we have to jump through loops … Why doesn’t the NFL offer free healthcare for life, especially for those suffering from brain injury?” The commissioner, however, was quick to remind Davis that benefits are agreed as part of the collective bargaining process held between the league and the players’ union, and said that they had been extended during the most recent round of negotiations.
(8) Computed tomography (CT) is the most sensitive radiologic study for detecting these tumors, which usually are small, round, sharply marginated, and of homogeneous soft tissue density.
(9) They include two leading Republican hopefuls for the presidential race in 2016, Rand Paul and Marco Rubio; three of them enjoy A+ rankings from the NRA and a further eight are listed A. Rand Paul of Kentucky The junior senator's penchant for filibusters became famous during his nearly 13-hour speech against the use unmanned drones, and he is one of three senators who sent an initial missive to Reid , warning him of another verbose round.
(10) However, these votes will be vital for Hollande in the second round.
(11) The characteristic features of the nasal mucosa obtained here are as follows: 1) The cross-section profiles of the cilium were round and smooth.
(12) In fact, the lowest-rated game of last year's World Series between the Giants and the Tigers edged out the opening round of the draft by only 2.4 million viewers.
(13) A radical rearrangement of the organism occurred gradually: initially oval in shape, the parasite became round, then elongated, flattened, and underwent cytokinesis.
(14) After two complete rounds of DNA synthesis in the presence of BrdU "harlequin" chromosomes were observed.
(15) Trichophytosis (T. equinum) is characterized as typical numerous small and round patches, covered by small, bran-like, asbestos-coloured scales.
(16) The only lesson I’ll learn from this is don’t win in the third round.
(17) Now is the time to rally behind him and show a solid front to Iran and the world.” Political scientists call this the “rally round the flag effect”, and there are two schools of thought for why it happens, according to the scholars Marc J Hetherington and Michael Nelson.
(18) We studied bobbed loci at different magnification steps, analysing their behaviour through the reversion process and the way they carry out a second round of magnification.
(19) A 52-year-old black man was found to have a round density in the right lower lung field.
(20) The orchestrated round of warnings from the Obama administration did not impress a coterie of senior Republicans who were similarly paraded on the talk shows, blaming the White House for having brought the country to the brink of yet another "manufactured crisis".