vitelline arteries造句

• The first event of biomechanical-driven hierarchal remodelling occurs just after the onset of heart beat, when the vitelline artery forms by the fusion of several smaller capillaries.
• The fourth hypothesis was commonly accepted, but it was later shown that the right vitelline artery ( right omphalomesenteric artery ) did not supply the anterior abdominal wall in this area.
• Blood is conveyed to the wall of the sac by the vitelline arteries ( a branch of the dorsal aorta ), and after circulating through a wide-meshed capillary plexus, is returned by the vitelline veins to the tubular heart of the embryo.