左房室口
WordNet
- relating to or affecting the atria and ventricles of the heart; "atrioventricular disease" (同)auriculoventricular
Wikipedia preview
出典(authority):フリー百科事典『ウィキペディア(Wikipedia)』「2016/10/18 17:47:45」(JST)
[Wiki en表示]
Left atrioventricular orifice |
Details |
Identifiers |
Latin |
ostium atrioventriculare sinistrum |
TA |
A12.1.04.002 |
FMA |
9335 |
Anatomical terminology
[edit on Wikidata]
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The left atrioventricular orifice (left atrioventricular opening or mitral orifice) is placed below and to the left of the aortic orifice.
It is a little smaller than the corresponding aperture of the opposite side.
It is surrounded by a dense fibrous ring, covered by the lining membrane of the heart, and is guarded by the bicuspid or mitral valve.
References
This article incorporates text in the public domain from the 20th edition of Gray's Anatomy (1918)
External links
Anatomy of the heart
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General |
Surface |
- base
- apex
- sulci
- coronary
- interatrial
- anterior interventricular
- posterior interventricular
- borders
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Internal |
- atria
- interatrial septum
- pectinate muscles
- terminal sulcus
- ventricles
- interventricular septum
- trabeculae carneae
- chordae tendineae
- papillary muscle
- valves
- cusps
- atrioventricular septum
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- cardiac skeleton
- intervenous tubercle
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Chambers |
Right heart |
- (venae cavae, coronary sinus) → right atrium (atrial appendage, fossa ovalis, limbus of fossa ovalis, crista terminalis, valve of inferior vena cava, valve of coronary sinus) → tricuspid valve → right ventricle (infundibulum, moderator band/septomarginal trabecula) → pulmonary valve → (pulmonary artery and pulmonary circulation)
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Left heart |
- (pulmonary veins) → left atrium (atrial appendage) → mitral valve → left ventricle → aortic valve (aortic sinus) → (aorta and systemic circulation)
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Layers |
Endocardium |
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Myocardium |
- Conduction system
- cardiac pacemaker
- SA node
- AV node
- bundle of His
- bundle branches
- Purkinje fibers
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Pericardial cavity |
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Pericardium |
- fibrous pericardium
- sternopericardial ligaments
- serous pericardium
- epicardium/visceral layer
- fold of left vena cava
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Blood supply |
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★リンクテーブル★
[★]
- 英
- mitral orifice, left atrioventricular ostium
- ラ
- ostium atrioventriculare sinistrum
- 関
- 房室口
[★]
- 開口部、口、小口、穴
- (pl.)ostia
- 関
- ostial、stoma
[★]
- 関
- AV