In humans,the sinus venosus is considered to | vedclass

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Question

(A) In human embryonic development,the sinus venosus is a primitive venous chamber that receives blood from the systemic veins. During the development

Vedclass · Accepted Answer

Right atrium

Vedclass · Answer

(A) In human embryonic development,the sinus venosus is a primitive venous chamber that receives blood from the systemic veins. During the development of the heart,the sinus venosus gets incorporated into the wall of the right atrium. This incorporated part forms the smooth-walled portion of the right atrium,known as the sinus venarum,while the rest of the right atrium is rough-walled (pectinate muscles). Therefore,the correct answer is the right atrium.

In humans,the sinus venosus is considered to have merged with the wall of which chamber?

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