CSS Zoology Questions & Answers


Q.  Pulmonary aorta in embryo comniunicates with carotico-systemic aorta by a thin vessel called ductus Botalli which later closes and remains in adult as:

a. Fossa ovalis
b. Ligamentum arteriosus
c. Carotico-pulmonary aperture
d. None of these


ANSWER: See Answer
 
No explanation is available for this question!
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