title: General laws of development of the lymphatic tissue of Waldeyer's tonsillar ring.
mesh_terms: D000367:Age Factors; D005260:Female; D005865:Gestational Age; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D008221:Lymphoid Tissue / Q000196:embryology / Q000254:growth & development*; D014066:Palatine Tonsil / Q000196:embryology / Q000254:growth & development*; D011247:Pregnancy