title: Studies on the formation of calcified egg-capsules of ampullarid snails. I. Vaterite crystals in the reproductive system and the egg capsules of Pomacea paludosa.
mesh_terms: D000418:Albumins; D000818:Animals; D002113:Calcification, Physiologic; D002119:Calcium Carbonate / Q000378:metabolism*; D003461:Crystallography; D004528:Egg Shell / Q000032:analysis; D005260:Female; D005836:Genitalia, Female / Q000378:metabolism; D008855:Microscopy, Electron, Scanning; D010063:Ovum / Q000378:metabolism; D012908:Snails / Q000254:growth & development / Q000378:metabolism*; D014961:X-Ray Diffraction
chemical_list: D000418:Albumins; D002119:Calcium Carbonate