718 



C"-labeled proline, 580 

 CaCOg, 62, 77, 79 



see also Carbonate 



aragonite, 86 



calcite, 86 



coral, 27, 35 



dissolution, 68 



ovster shells, 32 



secretion, 15, 77 

 Cactus bucks, 355 



Cage laver fatigue, osteoporosis, 432 

 Calcareous algae, 29 



sand-producing, 37 

 Calcareous basal plate, 7 

 Calcareous deposit, mussel, 19 

 Calcareous exoskeletons, 55 

 Calcareous lining, 19 

 Calcareous matter, sponges, 35 

 Calcareous mud, 49 

 Calcareous product of secretion, 1 

 Calcareous residue, coral reefs, 47 

 Calcareous rock, 4, 17 



dissolution, 20 

 Calcareous substrate, ABO etching, 

 55, 62 



dissolution, 34 

 Calcareous worm tubes, 29 

 Calcase, 81 



snail secretion, 60 

 Calciferol, bone resorption, 627, 631 

 Calcifiability, 97 

 Calcification 



hibernation, 287 



rachitic osteoid, 520 



regional variations, 479 

 Calcification powers, corals, 22 

 Calcified cartilage 



matrix, 477 



organic mass content, 477 



resorption, 484 

 Calcified osteocytes, 395, 401 

 Calcified surface, resorption, 452 

 Calcified tissues, comparative biologv, 



376 

 Calcite, 62, 86 



ABO activity, 77 



etched crvstals, 31 



SUBJECT INDEX 



shell surface, 75 

 Calcitcostracum, 62 

 Calcitic moUusk shells, 71, 75 

 Calcitic nacreous shell, 73 

 Calcium 



acid mechanism, 570 



daily net absorption, 437 



exchangeable pool, 407 



excretion rate, 407 



sheep requirement, 161 



steady state, 564 

 Calcium balance, 414 



osteoporosis, 392, 426 



sea water, 25 

 Calcium binding, citrate, 578 

 Calcium carbonate, sec CaCO,-.; Car- 

 bonate 

 Calcium citrate, 640 

 Calcium concentration, blood, 380 

 Calcium deficiency, 386 

 Calcium-deficiency disease, 426 

 Calcium-deficient apatite, 381 

 Calcium-EDTA chelate, 533 

 Calcium excretion index, 417 

 Calcium fluoride 



enamel surface, 255 



ec^uilibrium solubilitv, 256 



reaction products. 257 



solubility product, 256 

 Calcium glucoheptonate, 428 

 Calcium intake, 414 

 Calcium ion concentratioTi, homeo- 



static control, 379 

 Calcium isotopes, 448 

 Calcium lactate chelate, 638 

 Calcium leak, 427 

 Calcium level, blood plasma, 371 

 Calcium metabolism, 426 



adrenal cortex, 429 

 Calcium mobilization, 533 



acid production, 560 



bone citrate, 644 



endocrine control, 437 

 Calcium phosphate, 86, 92 



effect of ABO secretion, 77, 79 

 Calcium phosphate substrate, 62 

 Calcium reabsorption, kidney tubules, 

 407 



