The perforation between left and right atria of a fetal heart is known as
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- Foramen ovale
- Ductus arteriosus
- Fossa ovalis
- Ligamentum arteriosum
The Correct Option is A
Solution and Explanation
The foramen ovale is a vital part of fetal circulation, allowing blood to flow directly from the right atrium to the left atrium, bypassing the non-functional fetal lungs. After birth, the foramen ovale closes due to increased pressure in the left atrium, leaving a depression called the fossa ovalis.
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