Which of the following is not correct?a. The right horn of Sinus Venosus forms the Smooth portion of left atrium.b. Primitive Atrium forms the Right and Left auriclesc. Primitive Ventricle becomes the Left ventricled. Most of the right ventricle comes from the Bulbus Cordise. The Truncus arteriosus forms the Ascending Aorta and the Pulmonary Artery
Question
Which of the following is not correct?a. The right horn of Sinus Venosus forms the Smooth portion of left atrium.b. Primitive Atrium forms the Right and Left auriclesc. Primitive Ventricle becomes the Left ventricled. Most of the right ventricle comes from the Bulbus Cordise. The Truncus arteriosus forms the Ascending Aorta and the Pulmonary Artery
Solution
The statement that is not correct is: "a. The right horn of Sinus Venosus forms the Smooth portion of left atrium."
In embryological development, the right horn of the sinus venosus does not form the smooth portion of the left atrium. Instead, it forms the smooth part of the right atrium (sinus venarum). The smooth part of the left atrium is formed by the incorporation of the pulmonary veins.
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