the morphometrical analysis of the spleens from 6- and 12-week-old bursectomized chickens showed that the amount of the white pulp tissue and its compartments , periellipsoidal lymphoid tissue ( pelt ) , periarteriolar lymphoid tissue ( palt ) as well as the number of the germinal centers ( gc ) , were decreased , when compared to the controls .
C0037993
spleens
C0229686
white pulp