The differentiation of white pulp and red pulp in the spleen of human fetuses (72-145 mm crown-rump lenght).
D005260:Female; D005333:Fetus / Q000502:physiology*; D005865:Gestational Age; D006801:Humans; D008854:Microscopy, Electron; D011247:Pregnancy; D013154:Spleen / Q000166:cytology / Q000196:embryology*