[397] On logos cf. p. 226, [note 2].
[398] He means the tricuspid orifice. cf. p. 121, [note 4].
[399] The right auricle was looked on less as a part of the heart than as an expansion or “insertion” of the vena cava.
[400] This “vein” (really the pulmonary artery) was supposed to be the channel by which the lungs received nutriment from the right heart. cf. p. 121, [note 3].
[401] The coronary vein.
[402] Galen’s conclusion, of course, is, so far, correct, but he has substituted an imaginary direct communication between the ventricles for the actual and more roundabout pulmonary circulation, of whose existence he apparently had no idea. His views were eventually corrected by the Renascence anatomists. cf. Introduction, pp. [xxii.]-xxiii.
[403] He means the left auricle, considered as the termination of the pulmonary “arteries”; cf. p. 314, [note 3].
[404] The aorta, its orifice being circular, appears bigger than the slit-like mitral orifice.
[405] p. 87.
[406] Or we may render it “corpuscle”; Galen practically means the cell. cf. p. 153, [note 2].