TUMORS AFFECTING CATTLE.
By John R. Mohler, V. M. D.,
Chief, Bureau of Animal Industry.
[Synonyms: New growth, neoplasm, neoformation, pseudoplasm, swelling, and hyperplasia.]
Definition.—Tumors[3] are abnormal masses of tissue, noninflammatory and independent in character, arising, without obvious cause, from cells of preexistent tissue, possessing no physiologic function, and characteristically unrestrained in growth and structure.