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CHAP. X. Of Diseases of Solution of Unity.
THE third kind of Disease is common to similar and Orga∣nick parts, * 1.1 and is called Solution of Unity, when the parts which ought to be one, and continued, lose their continuity and are divided.
There are many differences of Diseases of Unity, principally taken from the part affected, * 1.2 and the causes dissolving Unity. Those things which dissolve Unity, some of them cut and prick, others erode, others bow and break, others beat in pieces. But the parts which are dissolved are either soft or hard; if a soft part be dissolved by a thing that cutteth, * 1.3 it is called by the Greeks Trauma, by the Latines Vulnus, i. e. a wound.
But if a soft part be dissolved by a sharp instrument pricking, * 1.4 it is called a Puncture.
But if a soft part be offended by a blunt weapon and a hard one, and be straitned within it self, it is called a Confusion, the Greek Thlasis and Thlasma.
If a soft part be broken by any thing that bendeth it, * 1.5 'tis called a Rupture, and in the nervous parts peculiarly, it is called a Spasme.
But if there be solution of continuity in a hard part or bone from any other cause then Erosion, * 1.6 namely from cutting or contusion, it is called a fracture, * 1.7 in Greek Agma and Catagma; but if by Ero∣sion it is called Caries, in Greek Teredon, i. e. rottenness in bones.
If continuity be dissolved in soft parts by Erosion, * 1.8 it is called Elkos in Greek, in Latin Ulcus (Anglice an Ulcer.)
Lastly, * 1.9 if there be solution of Unity of compound parts, and those which naturally are different from each other in kind are nourished and grow together, they are called Apospasmes, as when the skin from a membrane, the membranes from the muscles, and a muscle from a muscle are separated.