(n.) A cavity in a bone or other part, either closed or with a narrow opening.
(n.) A dilated vessel or canal.
(n.) A narrow, elongated cavity, in which pus is collected; an elongated abscess with only a small orifice.
(n.) A depression between adjoining lobes.
Example Sentences:
(1) CT scan revealed a small calcified mass in the right maxillary sinus.
(2) Our experience indicates that lateral rhinotomy is a safe, repeatable and cosmetically sound procedure that provides and excellent surgical approach to the nasal cavity and sinuses.
(3) In 3 cases the volume changes in the sinus were measured.
(4) Because of these different direct and indirect actions, a sudden cessation of sinus node activity or sudden AV block may result in the diseased heart in a prolonged and even fatal cardiac standstill, especially if the tolerance to ischemia of other organs (notably the brain) is decreased.
(5) Electromechanic dissociation, sinus bradycardia, nodal rhythm followed by idioventricular rhythm and asystole, were observed following myocardial rupture.
(6) The clinical and roentgenographic features of xanthogranulomatosis bear a close resemblance to those seen in two fibrosclerosing syndromes: sinus histiocytosis with massive lymphadenopathy and retroperitoneal fibrosis.
(7) It is usually associated with a left superior caval vein draining into the coronary sinus and is frequently part of a complex congenital malformation of the heart.
(8) Sinus lining cells give rise to a well defined entity of neoplasia which is proposed to be termed sinus lining cell reticulosarcoma.
(9) The region of the tentorium and straight sinus can occasionally give rise to a vermiform appearance (the "AVM artifact").
(10) The recorded APs were further subdivided into those exhibiting consistent antegrade conduction during sinus rhythm (overt APs: 50 left APs, eight right APs), those exhibiting intermittent antegrade conduction (intermittent APs: six left APs, two right APs), and those exhibiting only retrograde conduction (concealed APs: 33 left APs, two right APs).
(11) A total of 6 cases of sick sinus syndrome were presented, including 2 cases of sinoatrial (SA) block and 4 cases of bradycardia-tachycardia syndrome.
(12) The interobserver variability of these indices is low (r greater than 0.96); reproducibility is good in patients with sinus rhythm but mediocre in atrial fibrillation.
(13) A block of tissue bounded by the ostium of the coronary sinus, the pars membranacea, the septal leaflet of the tricuspid valve and the atrial and ventricular septa is removed.
(14) In order to study cerebrospinal fluid (CSF) absorption across the dural sinus wall, the effect of CSF pressure (recorded from the cisterna magna) on dural venous pressure (recorded from the transverse sinus) was investigated in groups of rats at 2, 10, 20, and 31 days after birth and in adulthood.
(15) All of the above patients had an acute inferior myocardial infarction, and in 10 of the 12 patients with supraventricular arrhythmias and in four of five with sinus dysrhythmias, the origin of the sinus node artery started just after an occluded right coronary or left circumflex artery or was involved in the occlusion.
(16) The normal anatomical position of the point of junction of the superficial cerebral veins with the superior sagittal and transverse sinuses of the rat was studied with an analytical mathematical method.
(17) Most symptoms come from the ciliated airways (nose, paranasal sinuses, and bronchs) and from the middle ear.
(18) In 6 patients electrograms were recorded after sinus rhythm was reestablished, and all showed marked decreases or disappearance of fragmentation.
(19) Direct visualization of the intercavernous sinuses on contrast-enhanced MR images may serve as an ancillary sign for the diagnosis of carotid-cavernous or carotid-dural fistulas near the sella.
(20) Drainage of contrast medium from the maxillary sinus during blowing and sniffing was studied by cine-roentgenography in 11 healthy subjects.
Situs
Definition:
(n.) The method in which the parts of a plant are arranged; also, the position of the parts.
Example Sentences:
(1) Studying the bronchial tree on the chest x-ray it is possible to indicate the visceral situs with asplenia or with polysplenia.
(2) The patient had complete situs inversus and hypospadias.
(3) She was of complete situs inversus and subfertile and had chronic bronchitis and nasal polyposis.
(4) Respiratory cilia from two female patients with Kartagener's syndrome and one male patient with situs inversus and sinobronchitis were completely immotile and lacked both dynein arms.
(5) The 4 patients with pulmonary atresia and interventricular septal defect also presented with an early embryopathy: Shprinzen's velocardiofacial syndrome (n = 2), DiGeorge syndrome (n = 1) and situs inversus (n = 1).
(6) The original "root area" widens with the broadening of the back and can still be demonstrated as an homogeneous "root area" of the "intestinal bulge", after the typical adult situs has developed.
(7) Two further symptoms are situs inversus and male sterility.
(8) A case of mitral atresia with normal aortic valve, situs solitus, d-loop, ASD, VSD, DORV and atresia of the pulmonary valve is presented.
(9) Bronchial situs indicates atrial situs much more reliably and can be determined from penetrated chest radiographs or tomograms since the right and left main bronchi normally show different lengths.
(10) The hepatic veins and the intra-parenchymal branches of the portal vein and of the hepatic artery were dissected in two isolated livers form subjects with situs inversus.
(11) primary ciliary dyskinesia, as in Kartagener's syndrome (sinusitis, bronchiectasis and situs inversus) and Young's syndrome (primary male infertility), the cardinal features are related to mucociliary insufficiency.
(12) To our knowledge, this is the first case of the successful mitral valve replacement and concomitant aortocoronary saphenous vein bypass on a patient with situs inversus totalis (mirror-image dextrocardia) in Japan.
(13) The visceroatrial situs was solitus in all 14 patients.
(14) Multiple atrial rhythms or bradycardia associated with junctional escape were rare in the group of patients with congenital heart disease and situs solitus.
(15) Up to now a situs inversus in the thorax of the bovine race has not been described yet.
(16) These findings emphasise the pitfalls in predicting cardiac abnormalities from other aberrations of anatomical situs.
(17) A 12-year child had complete heart block, an abdominal situs inversus with laevocardia.
(18) A 5-years old boy, whose thoracic situs was right isomerism, was diagnosed as transposition of great arteries, common atrioventricular canal (intermediate type), severe tricuspid valve regurgitation, pulmonary valve stenosis, bilateral superior vena cava and left sided inferior vena cava.
(19) It consists of chronic infections in the respiratory system, male infertility, and, in about one-half of the cases, situs inversus.
(20) Kartagener's syndrome (KS) is a hereditary disease with typical symptoms of situs inversus, bronchiectasis, and chronic infections of the nasal mucosa.