Cassii iatrosophistae naturales et medicinales quaestiones LXXXIIII, circa hominis naturam & morbos aliquot

CASSI I.

lar ulcers, the matter stands thus. Therefore, it happens that ulcers of an angular figure easily form a scar, because the healthy parts are closer to each other, and they unite into a scar over a shorter interval. Since, in general, the generation of the scar begins from the edges, where it is promoted most by the healthy parts situated nearby: but in round ones, because the healthy parts are distant from one another equally on all sides, and they cannot confer mutual aid to the induction of the scar, the scar is not easily covered. See Hippocrates in the book On Ulcers.

II. Why are both the extreme parts of the body and the hollow parts subject to devouring ulcers? Is it because a devouring ulcer is a certain mortification and putrefaction? But the extreme parts, on account of the lack of A lack of nourishment. matter, are easily chilled, and therefore they are rendered as if dead. But such ulcers occur in hollow places, because they abound with humid matter, and for that reason, they catch rot.