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214 due to their concerted action (Sannipata), or to the effects of a blow (traumatic) or to vitiated blood.], and should be medically treated according to the nature of their respective exciting factors.

Secretions from ulcers:—Now we shall describe the characteristic secretions from all types of ulcers. Secretions from a contused or lacerated skin, as well as from an ulcer confined only to it), whether spontaneously bursting or surgically opened, are thin and watery in their consistency. They are characterised by a raw (fleshy) smell and a yellowish colour. An ulcer, affecting the flesh, exudes a slimy, thick and white secretion like clarified-butter. A copious quantity of blood flows out of a vein recently cut, while the incidental ulcer, in its suppurating stage, secretes a copious secretion, like water flowing out of a hydrant, which is moreover detached, thin, pendent (ropy), and slimy in its character and has a brown or frosty hue. An ulcer, confined only to a ligament, secretes a sort of cold and thick secretion, like expectorated mucous, though sometimes marked with streaks of blood.

A bone, injured, fractured, or suddenly cracked by idiopathic causes (derangement of the bodily humours), loses its internal marrow and appears as if washed (loses its natural gloss It assumes the colour of an oyster shell, whereas the secretions from an ulcer, which is seated in