Pharyngeal Arch Arteries

The aorta arises from the left ventricle as its outflow tract. Aorta forms an arch before  descending downwards as the thoracic/descending aorta. This arch of aorta gives rise to three arteries; from right to left these arteries are the brachiocephalic trunk, left...

Ventricles And Aorticopulmonary Septum

DEVELOPMENT OF INTERVENTRICULAR SEPTUM & PARTITION OF PRIMITIVE VENTRICLES Embryonic time line of Interventricular septum begins in the late 4th week and commences by the end of 7th week. By the end of 4th week, the primitive ventricle is one single chamber which...

Development Of Heart Tubes

Cardiovascular system is the first organ system to start developing and reach a functional state; which is even before its own development is complete. Cardiovascular development occurs during the 3rd to 5th week of intra embryonic life. Up until the second...