Rous sarcoma

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Rous sar·co·ma

a fibrosarcoma, originally observed in a Plymouth Rock hen, now thought to be an expression of infection by certain viruses of the avian leukosis-sarcoma complex in the family Retroviridae.

Rous sarcoma

A sarcoma produced in poultry by a retrovirus.


F. Peyton, U.S. pathologist and Nobel laureate, 1879-1970.
Rous sarcoma - a fibrosarcoma caused by certain viruses of family Retroviridae. Synonym(s): avian sarcoma; Rous tumor
Rous sarcoma virus - a sarcoma-producing virus of the avian leukosis-sarcoma complex identified by Rous in 1911.
Rous tumor - Synonym(s): Rous sarcoma
Rous-associated virus - a leukemia virus.

Rous sarcoma

a spindle-cell sarcoma of fowls which is transplantable, metastasizes freely and usually destroys the host bird within a short time. It is caused by the Rous sarcoma virus, a retrovirus, which occurs in several serotypes and is transferable to rabbits, mice, rats, hamsters and primates as well as chickens.