(n.) A square hall lighted from above, into which rooms open at one or more levels.
(n.) An open court with a porch or gallery around three or more sides; especially at the entrance of a basilica or other church. The name was extended in the Middle Ages to the open churchyard or cemetery.
(n.) The main part of either auricle of the heart as distinct from the auricular appendix. Also, the whole articular portion of the heart.
(n.) A cavity in ascidians into which the intestine and generative ducts open, and which also receives the water from the gills. See Ascidioidea.
Example Sentences:
(1) Injection of carbachol into the AV3V produced the expected natriuresis, which was accompanied within 20 min by a dramatic rise in the plasma ANP concentration and a rise in ANP content in the medial basal hypothalamus, the neurohypophysis, and particularly the anterior hypophysis but without alterations in the content of ANP in the lungs or the right or left atrium.
(2) Transesophageal echocardiography (TEE) is a semi-invasive examination that provides better images of the atrium than classical transthoracic echocardiography (TTE) due to the anatomical positioning of the captor and the high frequency Doppler apparatus used.
(3) We report a case of tamponade due to an effusion of blood which had occurred two weeks after an aorto-coronary bypass and was unusually located behind the left atrium.
(4) The radio-activity of 99mTc of the entire cardiac blood pool including the large vessels (T), the right ventricle including the right atrium (RV) and the left ventricle (LV) was calculated from the 30 degrees anterior oblique cardiac pool scintigram.
(5) Each study consisted of a 2-h control period followed by 4 h of increased lung microvascular pressure produced by inflation of a balloon in the left atrium.
(6) Ultrastructurally, the atrial myocardial cells in all three patients were hypertrophied, and two patients had evidence of focal cell degeneration; the atrium was markedly dilated, but atrial arrhythmias were not noted.
(7) Multiple determination of size, shape, and diameter of the left atrium were made during the control state and under conditions of varied ventricular outflow resistance in intact anesthetized dogs with markers chronically attached to the mitral annulus and the valve cusps.
(8) The right atrium thrombosis in the region of Chiari network resulted in the thromboembolism of the left pulmonary artery this being an immediate cause of death.
(9) Just prior to the end of the infusion period, 51Cr-labeled microspheres were injected into the left atrium to measure regional myocardial blood flow.
(10) Two-dimensional echocardiography revealed enlargement of the left ventricle, left atrium, and aortic root as well as dilatation of the left main coronary artery.
(11) The fistula was ligated by an access through the right atrium with good nearest and long-term results.
(12) M-mode and two dimensional echocardiography demonstrated abnormal echoes in the left atrium, the density being 22.7 Hounsfield Unit.
(13) His bundle recordings and premature atrial stimulation from coronary sinus, mid-right atrium and high-right atrium were performed in a patient with repetitive supraventricular tachycardias.
(14) Earlier surgical correction of this disorder was associated with the problem of stenosis at the anastomotic site with the left atrium.
(15) Although the histologic changes in the right atrium and contralateral lung are worrisome, no cardiac nor pulmonary problems arose over the 1 year follow-up.
(16) The visualized turbulent flow was consistent with a ventriculoseptal defect but also appeared to extend posteriorly into the left atrium in a direct line with the septal communication.
(17) After control conditions were established, PDG was injected into the right atrium.
(18) Echocardiograms showed good left ventricular function and a large coil of apparent thrombus in the right atrium prolapsing into the right ventricle.
(19) An unusual appearance of echoes behind the aorta bulging into the left atrium in diastole on both the M-mode and cross-sectional echo suggested this diagnosis prior to cardiac catheterization.
(20) Inotropic and chronotropic effects were determined in vitro in cat papillary muscle and right atrium, respectively.
Chamber
Definition:
(n.) A retired room, esp. an upper room used for sleeping; a bedroom; as, the house had four chambers.
(n.) Apartments in a lodging house.
(n.) A hall, as where a king gives audience, or a deliberative body or assembly meets; as, presence chamber; senate chamber.
(n.) A legislative or judicial body; an assembly; a society or association; as, the Chamber of Deputies; the Chamber of Commerce.
(n.) A compartment or cell; an inclosed space or cavity; as, the chamber of a canal lock; the chamber of a furnace; the chamber of the eye.
(n.) A room or rooms where a lawyer transacts business; a room or rooms where a judge transacts such official business as may be done out of court.
(n.) A chamber pot.
(n.) That part of the bore of a piece of ordnance which holds the charge, esp. when of different diameter from the rest of the bore; -- formerly, in guns, made smaller than the bore, but now larger, esp. in breech-loading guns.
(n.) A cavity in a mine, usually of a cubical form, to contain the powder.
(n.) A short piece of ordnance or cannon, which stood on its breech, without any carriage, formerly used chiefly for rejoicings and theatrical cannonades.
(v. i.) To reside in or occupy a chamber or chambers.
(v. i.) To be lascivious.
(v. t.) To shut up, as in a chamber.
(v. t.) To furnish with a chamber; as, to chamber a gun.
Example Sentences:
(1) Content of cyclic nucleoside monophosphates was decreased in all the eye tissues in experimental toxico-allergic uveitis as well as penetration of cAMP into the fluid of anterior chamber of the eye.
(2) As May delivered her statement in the chamber, police helicopters hovered overhead and a police cordon remained in place around Westminster, but MPs from across the political spectrum were determined to show that they were continuing with business as usual.
(3) This is due to changes with energy in the relative backscattered electron fluence between chamber support and phantom materials.
(4) In the course of the syndrome development blood vessel permeability was increased in the anterior chamber of the eye.
(5) and then placed in the chamber containing a CO atmosphere (0.325-0.375%).
(6) Histologic examination of the anterior and posterior chambers and the vitreous led to a diagnosis of endophthalmitis caused by Coccidioides immitis infection.
(7) Dose distributions were evaluated under thin sheet lead used as surface bolus for 4- and 10-MV photons and 6- and 9-MeV electrons using a parallel-plate ion chamber and film.
(8) The compatibility with Gentamycin solution used for irrigation of the anterior chamber of the eye was studied in experiments performed on rabbits.
(9) The flow of a specified concentration of test gas exits from the mixing board, enters a distributing tube, and is then distributed equally to 12 chamber tubes housing one mouse each.
(10) Previous work has shown that corticocancellous bone chips placed in a titanium chamber with an arteriovenous vascular pedicle will result in a pre-formed vascularized bone graft.
(11) The advantages of the incision through the pars plana ciliaris are (1) easier approach to the vitreous cavity, (2) preservation of the crystalline lens and an intact iris, and (3) circumvention of the corneal and chamber angle complications sometimes associated with the transcorneal approach.
(12) The so-called apparent accommodation has been measured in patients implanted with anterior chamber, iris support and posterior chamber IOLs.
(13) These patients did not have narrow anterior chamber angles preoperatively, and several were aphakix with surgical iris colobomas.
(14) In experiments using double and triple chamber cultures it was demonstrated that suppressive macrophages from advanced T8-Guérin tumor (diameter 5--6.5 cm) bearing rats produced a dialysable factor which suppressed the killer activity of lymphocytes from non-advanced T8-Guérin tumor (diameter 0.5--0.7 cm) bearing rats, as well as from nonadvanced h 18R tumor bearing rats and from Ehrlich ascites bearing mice, against T8-Guérin ascitic cells and, respectively, against h 18R ascitic and Ehrlich ascitic cells.
(15) Rings of isolated coronary and femoral arteries (without endothelium) were suspended for isometric tension recording in organ chambers filled with modified Krebs-Ringer bicarbonate solution.
(16) It is borrowed from the UN, where it normally hangs outside the security council chamber.
(17) The energy required for perforation from the external surface to the anterior chamber was the same as the energy required for ab interno perforation.
(18) What we see from those opposite and we see in this chamber every day is the 'born to rule mentality' of those opposite.
(19) Dioptric aniseikonia was calculated between 1 month and 24 months after surgery (with Gruber's and Huber's computer program) on the basis of most recently obtained values (bulb axis length, depth of the anterior chamber, lens thickness, necessary refraction), and compared with subjective measurements taken with the phase difference haploscope.
(20) This Doppler echocardiographic study of patients with a dual chamber pacemaker was undertaken to assess the changes in mitral and aortic flow induced by passing from the double stimulation to the atrial detection mode.