Embryological structurs

Question 1

Truncus Arteriosus

Answer 1

Ascending aorta and pulmonary trunk

Question 2

Bulbus cordis

Answer 2

smooth parts of the R. and L. ventricle

Question 3

Primitive atrium

Answer 3

muscular/ trabeculated part of the R. and L. atria

Question 4

Primitive ventricle

Answer 4

muscular/ trabeculated part of the R. and L. ventricle

Question 5

Left horn sinus venosus

Answer 5

Coronary sinus

Question 6

Right horn sinus venosus

Answer 6

Smooth part of right atrium (sinus venarum)

Question 7

What makes the superior vena cava

Answer 7

right common cardinal vein and right anterior cardinal vein

Question 8

Primitive pulmonary vein

Answer 8

smooth part of the left atria