The organic matrix of the oyster shell.
D000818:Animals; D002119:Calcium Carbonate; D055598:Chemical Phenomena; D002627:Chemistry, Physical; D066298:In Vitro Techniques; D007259:Infrared Rays; D008974:Mollusca; D011134:Polysaccharides; D014961:X-Ray Diffraction
D011134:Polysaccharides; D002119:Calcium Carbonate