(n.) A small depression, sac, or vesicle, as the socket of a tooth, the air cells of the lungs, the ultimate saccules of glands, etc.
Example Sentences:
(1) Thus, the interaction of stimulated alveolar macrophages and epithelial cells alters the eicosanoid profile produced by each cell type alone in a manner that would tend to accentuate inflammatory processes within the alveolus.
(2) Unilateral clefts of lip, alveolus, and palate with a partial cleft lip reveal worse malformations than complete unilateral clefts.
(3) These findings collectively indicated that the three antigens all have a physiological significance as stage-specific developmental antigens of the human lung; those antigens were specifically present in the bud cells at each important step of the morphogenesis of the human lung, such as cells in the lung buds, bronchial buds, and terminal buds for the formation of the alveolus, and cells differentiating into bronchial gland cells.
(4) Considering the functional anatomy of the lung parenchyma the pathomorphological response pattern of the alveolus has been described.
(5) A case of extranodal Hodgkin's disease that was limited to the maxillary alveolus has been presented.
(6) Only children who had both supernumerary teeth and congenitally missing teeth outside the area of the cleft alveolus were included.
(7) These data provide compelling evidence that the physical state of phosphatidylcholine can regulate surfactant secretion from alveolar type II cells and suggest a unique mechanism for regulating exocytosis in the alveolus of the lung.
(8) Since the arithmetic mean thickness of the tissue layers and of the air-blood barrier are the same in the two altitudinal groups, the average alveolus must have a smaller volume in the high-altitude mice.
(9) Our findings suggest that a membrane signal on AM is capable of inhibiting receptor-mediated signal transduction in lymphocytes and that this is likely a major mechanism by which immune responses are downregulated in the alveolus.
(10) This represents a major range extension of Miocene Hominoidea in Africa to latitude 20 degrees S. The holotype, a right mandibular corpus preserving the crowns of the P4-M3, partial crown and root of the P3, partial root of the canine, alveoli for all four incisors, and partial alveolus for the left canine, was found during paleontological explorations of karst-fill breccias in the Otavi region of northern Namibia.
(11) Two-dimensional gel electrophoresis of the 125I-SP-A present in the lavage samples or associated with lung tissue was used to show that a small proportion of the 125I-SP-A was partially degraded in the lung tissue and alveolus.
(12) This paper outlines the contribution of three-dimensional CT to preoperative treatment planning for bone grafting of a maxillary cleft alveolus.
(13) The surfactant did not change endogenous lung phosphatidylcholine synthesis or its secretion to the alveolus.
(14) Positive end-expiratory pressure (PEEP) is widely used in the treatment of severe pulmonary oedema, although its effects on the clearance of water and small solutes from alveolus to blood are not well characterized.
(15) The method involves the delivery of fresh gas to the respiratory tree during expiration, thereby flushing out the anatomic deadspace and ensuring that the gas initially delivered to the alveolus with the succeeding inspiration is able to participate in gas exchange.
(16) This rare malignancy occurred in the maxillary alveolus, appearing as an epulis.
(17) Surgical repair of the lip is done within the first 2 months of life, by the time the nose, alveolus and projecting prolabium are adequately reformed.
(18) These data are consistent with exogenous cholesterol being rapidly esterified in the alveolus, and the ester then being cleared by the macrophages.
(19) Because macrophages and epithelial cells are in close physical contact within the alveolus, we measured the eicosanoids produced by combined cultures of these cells.
(20) The aim of this study was to compare permanent tooth length development in children with complete unilateral clefts of the lip, alveolus, and palate (UCLP) with that of tooth length development in a normal reference population.
Atrium
Definition:
(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.