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The process of forming an ulcer, or of becoming ulcerous; the state of being ulcerated; also, an ulcer.

Ulceration. Quincy.

Formerly, any malignant growth, esp. one attended with great pain and ulceration, with cachexia and progressive emaciation. It was so called, perhaps, from the great veins which surround it, compared by the ancients to the claws of a crab. The term it now restricted to such a growth made up of aggregations of epithelia…

Ulceration of bone; a process in which bone disintegrates and is carried away piecemeal, as distinguished from necrosis, in which it dies in masses.

ed by exposure of the feet or hands to cold, and attended by itching, pain, and sometimes ulceration.

-- called also pulmonary consumption. Consumption of the bowels (Med.), inflammation and ulceration of the intestines from tubercular disease.

A kind of scab or ulceration on the skin of lambs.

A disease attended with inflammation and ulceration of the colon and rectum, and characterized by griping pains, constant desire to evacuate the bowels, and the discharge of mucus and blood.

y greasy secretion of the part, and producing dryness and scurfiness, followed by cracks, ulceration, and fungous excrescences. Grease bush. (Bot.) Same as Grease wood (below). -- Grease moth (Zoöl.), a pyralid moth (Aglossa pinguinalis) whose larva eats greasy cloth, etc. -- Grease wood (Bot.), a scraggy, stunted, a…

An affection of a finger or toe, attended with ulceration at the base of the nail, and terminating in the destruction of the nail.

A discharge of fetid matter from the nostril, particularly if associated with ulceration of the soft parts and disease of the bones of the nose.

Spreading, obstinate ulceration.

A contagious disease, endemic in Scotland, resembling the yaws. It is marked by ulceration of the throat and nose and by pustules and soft fungous excrescences upon the surface of the body. In the Orkneys the name is applied to the itch. [Written also sivvens.]

ty eruption of spots, resembling flea bites, on the belly, enlargement of the spleen, and ulceration of the intestines over the areas occupied by Peyer's glands. The virus, or contagion, of this fever is supposed to be a microscopic vegetable organism, or bacterium. Called also enteric fever. See Peyer's glands. -- Ty…