title: The lymphoid development of the fetal and neonatal appendix.
mesh_terms: D001065:Appendix / Q000033:anatomy & histology / Q000166:cytology*; D005260:Female; D005333:Fetus / Q000166:cytology*; D005865:Gestational Age; D006801:Humans; D007231:Infant, Newborn; D008214:Lymphocytes / Q000276:immunology; D008221:Lymphoid Tissue / Q000033:anatomy & histology / Q000254:growth & development*; D011247:Pregnancy