Chapter

 1 Pref|    being the same apparatus of fibres, and braces, and valves,
 2 II  | contraction in the line of its fibres, and constriction in every
 3 II  |       line of their sinews and fibres; for the muscles, when in
 4 II  |      the lines of its straight fibres, although the great Vesalius
 5 II  |     effect of every one of its fibres is to constringe the heart
 6 II  | ventricles. And, again, as the fibres run from the apex to the
 7 II  |        in the case of muscular fibres in general, when they contract,
 8 II  |        but farther, that those fibres, or bands, styled nerves
 9 II  |       contain all the straight fibres (the parietes of the heart
10 V   |     straightway, makes all its fibres tense, contracts the ventricles,
11 XVII|    within and entirely without fibres of muscular bands, or anything
12 XVII|      tendineae, nor bundles of fibres, neither are there any tricuspid
13 XVII|      and variously interlacing fibres, that it seems to equal
14 XVII|    from the arrangement of its fibres and its general structures,
15 XVII|       up of various courses of fibres running straight, obliquely,
16 XVII|         the arrangement of the fibres is seen to be different.
17 XVII|       to be different. All the fibres in the parietes and septum
18 XVII|      to pass that when all the fibres contract simultaneously,