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The small oval depression found on inter...

The small oval depression found on inter auricular septum in adult Human is termed `:-`

A

Foramen ovale

B

Fossa ovalis

C

Forame of monro

D

Foramen of magnum

Text Solution

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The correct Answer is:
**Step-by-Step Solution:** 1. **Understanding the Structure**: The question asks about a specific anatomical feature located in the interauricular septum of the adult human heart. This septum separates the right and left atria. 2. **Identifying the Feature**: In the fetal heart, there is a structure known as the foramen ovale, which allows blood to bypass the lungs. After birth, this structure typically closes and leaves behind a small oval depression. 3. **Naming the Depression**: The small oval depression that remains in the interauricular septum after the foramen ovale closes is known as the **fossa ovalis**. 4. **Distinguishing Terms**: It's important to differentiate between "fossa" and "foramen". A fossa refers to a depression or hollow, while a foramen refers to an opening or passage. The fossa ovalis is a depression, while the foramen ovale was the opening present in the fetal heart. 5. **Conclusion**: Therefore, the small oval depression found on the interauricular septum in adult humans is termed the **fossa ovalis**. ---
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