Chapter

 1 Pref|      to uncertain and obscure channels, to explain the passage
 2 VI  |      of their existence - the channels for the transmission of
 3 VI  |       open up no new apparent channels for the passages of the
 4 XI  |       the veins the returning channels of the blood to the heart;
 5 XI  |     it come through invisible channels; it must needs, then, arrive
 6 XI  |  slackened, and the returning channels thus left open, the blood
 7 XI  |    the one case the returning channels are not adequately obstructed;
 8 XI  |  obstructed; in the other the channels of influx, the arteries,
 9 XIII|       more open and capacious channels; for they occur where there
10 XIII| prevented from serving as its channels of distribution from the
11 XV  |      more confined and colder channels, and flow against the direction
12 XVI |    liver, in whose meandering channels it suffers delay and undergoes