title: The passage of thymic lymphocytes to the circulation in the rat.
mesh_terms: D000818:Animals; D001775:Blood Circulation; D008208:Lymphatic System / Q000033:anatomy & histology*; D008214:Lymphocytes; D008297:Male; D051381:Rats; D013950:Thymus Gland / Q000033:anatomy & histology*; D014680:Veins / Q000033:anatomy & histology