title: Histological and quantitative studies on the postnatal growth of the thymus and the bursa of Fabricius of White Pekin ducks.
mesh_terms: D000818:Animals; D002060:Bursa of Fabricius / Q000033:anatomy & histology / Q000254:growth & development*; D004372:Ducks / Q000033:anatomy & histology / Q000254:growth & development*; D005260:Female; D008297:Male; D013950:Thymus Gland / Q000033:anatomy & histology / Q000254:growth & development*