title: Metabolic gradients and morphological polarization in embryonic development of hydroid polypes.
mesh_terms: D000818:Animals; D001345:Autoradiography; D002467:Cell Nucleus / Q000378:metabolism; D003063:Cnidaria / Q000196:embryology / Q000254:growth & development* / Q000378:metabolism*; D003593:Cytoplasm / Q000378:metabolism; D005260:Female; D008239:Lysine / Q000378:metabolism; D009024:Morphogenesis; D010063:Ovum / Q000254:growth & development / Q000378:metabolism; D010084:Oxidation-Reduction; D012119:Respiration; D014316:Tritium; D014529:Uridine / Q000378:metabolism
chemical_list: D014316:Tritium; D008239:Lysine; D014529:Uridine