lymphoid leukosis

lymphoid leukosis
lymphoid leukosis n a neoplastic disease of chickens that is caused by a retrovirus and is characterized by the formation of nodular or diffuse lymphoid tumors composed mostly of B cells and occurring esp. in the bursa of Fabricius, liver, and spleen and sometimes in the kidneys and gonads

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one of the avian leukosis complex of tumors, involving transformation of B lymphocytes; symptoms include anorexia, emaciation, and an enlarged liver.

Medical dictionary. 2011.

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