title: Amphibian yolk platelet ultrastructure visualized by freeze-etching.
mesh_terms: D000818:Animals; D002122:Calcium Chloride; D003460:Crystallization; D005260:Female; D005613:Freeze Etching; D005615:Freezing; D006652:Histological Techniques; D008074:Lipoproteins; D008854:Microscopy, Electron; D008961:Models, Structural; D010063:Ovum / Q000166:cytology*; D012965:Sodium Chloride; D014961:X-Ray Diffraction; D014981:Xenopus
chemical_list: D008074:Lipoproteins; D012965:Sodium Chloride; D002122:Calcium Chloride