| atrioventricular valves | See: tricuspid valve, mitral valve. (05 Mar 2000) |
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| atriplicism | An intoxication caused by the ingestion of certain species of Atriplex, eaten as greens in China; it is marked by pain and swelling of the fingers, spreading to the forearm; bullae and ulcers form, and the fingers may become gangrenous. Origin: L. Atriplex (-plic-), the orach, a vegetable (05 Mar 2000) |
| atrium | <anatomy> A chamber, used in anatomical nomenclature to designate a chamber affording entrance to another structure or organ. Usually used alone to designate an atrium of the heart. Origin: L., Gr. Atrion = hall (16 Dec 1997) |
| atrium cordis | The upper chamber of each half of the heart. Synonym: atrium cordis, atrium. Left atrium of heart, atrium of the left side of the heart which receives the blood from the pulmonary veins. Synonym: atrium sinistrum cordis, atrium pulmonale. (05 Mar 2000) |
| atrium dextrum cordis | Right atrium, the atrium of the right side of the heart which receives the blood from the venae cavae and coronary sinus. Synonym: atrium dextrum cordis. (05 Mar 2000) |
| atrium glottidis | The upper part of the laryngeal cavity from the superior aperture to the vestibular folds, bounded anteriorly by the epiglottis, laterally by themucosa overlying the quadrangular membranes and posteriorly by the mucosa overlying the arytenoid cartilages and arytenoideus muscle. Synonym: vestibulum laryngis, atrium glottidis, superior laryngeal cavity. (05 Mar 2000) |
| atrium meatus medii | The anterior expanded portion of the middle meatus of the nose, just above the vestibule. Synonym: atrium meatus medii, atrium. (05 Mar 2000) |
| atrium of heart | The upper chamber of each half of the heart. Synonym: atrium cordis, atrium. Left atrium of heart, atrium of the left side of the heart which receives the blood from the pulmonary veins. Synonym: atrium sinistrum cordis, atrium pulmonale. (05 Mar 2000) |
| atrium pulmonale | left atrium of heart |
| atrium sinistrum cordis | left atrium of heart |
| atrial reentry |
reentry in which the entire reentrant circuit lies within one or both atria, excluding the sinus node.
출처: www.mercksource.com/pp/us/cns/cns_hl_dorlands.jspz...
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| atrial ring |
the ring surrounding the opening between the atrium and ventricle of the primitive vertebrate heart; represented in the mammalian heart by the atrioventricular node.
출처: www.mercksource.com/pp/us/cns/cns_hl_dorlands.jspz...
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| atrial septectomy |
surgical creation of a defect in the interatrial septum; performed to allow interatrial blood mixing in transposition of great vessels.
출처: www.mercksource.com/pp/us/cns/cns_hl_dorlands.jspz...
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| atrial synchronous ventricular inhibited pacemaker |
a dual chamber cardiac pacemaker similar to an atrial synchronous ventricular pacemaker but able to sense ventricular as well as atrial activity. Called also VDD p.
출처: www.mercksource.com/pp/us/cns/cns_hl_dorlands.jspz...
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| atrial synchronous ventricular pacemaker |
a dual chamber cardiac pacemaker that senses atrial activity and delivers a ventricular stimulus after a preset interval; used in patients with impaired atrioventricular conduction but normal sinus node function. Called also VAT p. See also atrial synchronous ventricular inhibited p.
출처: www.mercksource.com/pp/us/cns/cns_hl_dorlands.jspz...
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