title: Crystalline protein in the chorion of insect egg shells.
mesh_terms: D000596:Amino Acids / Q000032:analysis; D000818:Animals; D001516:Bees / Q000166:cytology; D001517:Coleoptera / Q000166:cytology; D005260:Female; D007313:Insecta / Q000166:cytology*; D008854:Microscopy, Electron; D008961:Models, Structural; D009584:Nitrogen / Q000032:analysis; D010063:Ovum / Q000032:analysis* / Q000166:cytology; D011506:Proteins / Q000032:analysis*; D013045:Species Specificity; D014961:X-Ray Diffraction
chemical_list: D000596:Amino Acids; D011506:Proteins; D009584:Nitrogen