The left atrioventricular orifice (left atrioventricular opening or mitral orifice) is placed below and to the left of the aortic orifice.
| Left atrioventricular orifice | |
|---|---|
| Details | |
| Identifiers | |
| Latin | ostium atrioventriculare sinistrum |
| TA98 | A12.1.04.002 |
| TA2 | 3988 |
| FMA | 9335 |
| Anatomical terminology | |
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 reguarded as the bicuspid or mitral valve.
References
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This article incorporates text in the public domain from page 533 of the 20th edition of Gray's Anatomy (1918)
External links
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