Subject Index 



Terms have been indexed according to American usage only, e.g., dentin for 

 dentine, mollusk for mollusc, and the like. 



ABO (accessory boring organ), 56, 

 79,86 



see also under Boring; Deminerali- 

 zation; Shell etching 



acid secretion, 4 



contact with shells, 63 



demineralizing activity, 67 



diameter of gland, 56 



etching, 62, 83, 86 



hemostatic pressure, 57 



secretory cap, 67 



secretory disk, 68, 83 



secretory globules, 68 

 ABO activity 



aragonite, 77 



calcite, 77 



shells, 69, 75 

 ABO etching 



see also under Shell etching 



calcareous substrates, 62 



organic substrates, 62 

 ABO homogenate, 60, 86 



demineralizing action, 68 



pH, 65 



shell dissolution, 64 

 ABO secretion, 60, 69, 75, 77, 85 



absence of acid, 81 



calcase, 60 



calcium phosphate dissolution, 

 79 



conchiolinase, 60 



pH, 60, 68, 86 



shell boring, 56, 65 

 Abrasion, 99, 155 



in vitro, 108 



in vivo, 108 



sheep's teeth, 166 

 Abrasive siliceous materials, 166 

 Abscesses 



jawbone, 95, 291 



periapical, 639 



pulpal, 294 

 Accelerated aging, osteoporosis, 417 

 Accelerated resorption, 488 

 Accessory boring organ, see ABO 

 Accretion 



bone mineral, 377, 411, 538 



haversian systems, 377 

 Acellular bone, 376 

 Acellular osteons, 376 

 Acetate, erosion effect, 167 

 Acetic acid, caries in vitro, 219 

 Acetyl coenzyme A, parathyroid ac- 

 tion, 586 

 Achijla, 3, 5 



Acid, absence in ABO secretion, 81 

 Acid action, inhibition bv organic 



films, 117 

 Acid-containing secretion, 20 

 Acid decalcification, bone resorption, 



505 

 Acid-etched shells, 75 

 Acid-hydroxyapatite reaction, 249 

 Acid mechanism, calcium, 570 

 Acid mucopolysaccharides, 535 



aging, 426 



avian bone, 536 

 Acid-organic polymer systems, enamel 



dissolution, 117, 241 

 Acid pH range, collagenase, 680 



709 



