MeSH definition : A transplantable carcinoma of the rat that originally appeared spontaneously in the
mammary gland of a pregnant albino rat, and which now resembles a carcinoma in young
transplants and a sarcoma in older transplants. (Stedman, 25th ed);
A transplantable carcinoma of the rat that originally appeared spontaneously in the
mammary gland of a pregnant albino rat, and which now resembles a carcinoma in young
transplants and a sarcoma in older transplants. (Stedman, 25th ed)