From the vein that passes through the liver two branches separate off, of which one terminates in the diaphragm or so called midriff, and the other runs up again through the armpit into the right arm and unites with the other veins at the inside of the bend of the arm; and that is why when the surgeon opens this vein, the patient is relieved of certain pains in the liver; and from the left hand side of it there extends a short but thick vein to the spleen and the little veins branching off