title: Developmental relationship between the appearance of lymphocytes and lymphopoietic activity in the thymus and lymph nodes of the fetal cat.
mesh_terms: D000818:Animals; D002415:Cats; D002454:Cell Differentiation; D005314:Embryonic and Fetal Development; D005260:Female; D008198:Lymph Nodes / Q000502:physiology*; D008214:Lymphocytes / Q000254:growth & development*; D008938:Mitosis; D011247:Pregnancy; D013950:Thymus Gland / Q000502:physiology*