• 1 August 1972
    • journal article
    • Vol. 23  (2) , 199-204
Abstract
The occurrence of T and B lymphocytes was investigated by immunofluorescence in lymphoid organs of the chicken at different ages, using specific antisera. It was found that T lymphocytes make up most of the thymic cells in 2-week-old chickens and only about one half in chickens of 9 weeks and more. B lymphocytes account for approximately 1/3 of bursal cells in animals from 0 to 9 weeks. T and B lymphocytes in the spleen seem to lose some of their specific antigenicity.