The portion of right ventricle which is the opening of the pulmonary artery is?

Aortic vestibule

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Conus artery

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Ligamentum

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Columnar

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Solution

The correct option is A Aortic vestibule
The aortic vestibule is the term used to refer to the superior region of the left ventricle which lies just inferior to the opening of the pulmonary artery. It is smooth-walled and forms a part of the outflow tract of the chamber. Its walls mainly consist of fibrous tissue.
So, the correct answer is 'Aortic vestibule'.

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Similar questions

The pulmonary artery carries______ blood from the right ventricle of the heart.

	Column I		Column II
a.	Tricuspid valve	1	Between left atrium and left ventricle
b.	Bicuspid valve	2	Between right ventricle and pulmonary artery
c.	Semilunar valve	3	Between right atrium and right ventricle

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