Fossa ovalis (heart)
The fossa ovalis is a depression in the right atrium of the heart, at the level of the interatrial septum, the wall between right and left atrium. The fossa ovalis is the remnant of a thin fibrous sheet that covered the foramen ovale during fetal development.
| Fossa ovalis | |
|---|---|
Heart viewed from the front, with right atrium and right ventricle opened. Fossa ovalis is labeled in the right atrium. | |
| Details | |
| Precursor | Foramen ovale |
| Identifiers | |
| Latin | fossa ovalis cordis |
| TA98 | A12.1.01.005 |
| TA2 | 3965 |
| FMA | 9246 |
| Anatomical terminology | |
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