The heart, where the blood takes the “virtue informative,” as stated in line 40. ↩

The vegetative soul, which in man differs from that in plants, as being in a state of development, while that of plants is complete already. ↩

The vegetative becomes a sensitive soul. ↩

“This was the opinion of Averroes,” says the Ottimo , “which is false, and contrary to the Catholic faith.”