title: Embryonic brain enlargement requires cerebrospinal fluid pressure.
mesh_terms: D000818:Animals; D001921:Brain / Q000196:embryology*; D002555:Cerebrospinal Fluid / Q000502:physiology*; D002642:Chick Embryo; D008954:Models, Biological; D011312:Pressure; D013115:Spinal Canal / Q000196:embryology*