In the human heart, the pulmonary trunk (pulmonary artery or main pulmonary artery) begins at the base of the right ventricle. It is short and wide— approximately ...
Jul 21, 2015
1. the part of the body to which the head and limbs are attached; called also torso . 2. a larger structure, such as a vessel or nerve, from which smaller divisions or ...
When this right ventricle contracts, it forces the pulmonary semilunar valve to
open, allowing a rush of blood into the