SUBJECT INDEX 



Spondylosis, 436 

 Sponge, 1, 55 



boring activities, 27, 33, 45, 47 



calcareous matter, 35 



carbonic acid production, 35 



chemical action, 27 



chemical dissolution, 35 



erosion of shell, 31 



erosion of coral, 37, 39, 45, 50 



erosional remodeling, 46 



flagella, 5 



proteolytic enzyme, 33 



protoplasmic processes, 33 



jorotoplasmic strands, 33 



siliceous bodies, 32 

 Sponge burrows, deep-water corals, 45 

 Sponge cells, mechanical action, 33 

 Sponge-encrusted corals, 42 

 Sponge fragments, pseudopodia, 31 

 Sponge larvae, 31 

 Spontaneous fracture, 395, 417, 419 



parathyroid adenoma, 549 

 Spotted deer, antlers, 350 

 Stable bone, 471 

 Stable collagen, C^ ^-labeled proline, 



580 

 Stable phase, apatite, 256 

 Stainability, enamel, 137 

 Stained plaque, 289 

 Steady state, calcium, 564 

 Steatorrhea, 426 

 Stephanocoenia, 39 



Stereoscopic projection, microradiog- 

 raphy, 69 

 Storage of calcium, structural bone, 



430 

 Streptococcal growth, carbon dioxide, 



275 

 Streptococci 



cariogenic potential, 267 



hamster caries, 270 



inorganic ion requirements, 277 



nutritional requirements, 275 

 Streptococcus 



fccalis, 268 



lactis, 268 

 Stress, hibernation, 286 

 Striae of Retzius, see Retzius lines 



759 



Striated border, osteoclast, 498, 499 

 Strontium reabsorption, kidney tu- 

 bules, 407 

 Strontium retention studies, 448 

 Structural bone, 372, 379, 471 



osteoporosis, 414 



storage of calcium, 430 

 Structural genes, microenvironmental 



modifications, 491 

 Structural variations, resorbable tis- 

 sues, 144, 145, 492 

 Structure-function relationships, osteo- 

 clast, 497 

 Subgingival caries, resorption cavities, 



313 

 Subjacent matrix, demineraHzed col- 

 lagen, 503 

 Submicroscopic mineralization, 143 

 Submicroscopic spaces, enamel caries, 



179 

 Subsidence and slump, coral reefs, 47 

 Substrate utilization, bone, 599 

 Subsurface changes 



dental erosion, 131 



Retzius lines, 137 

 Subsurface demineralization, 98, 131, 

 133, 216, 220 



interprismatic regions, 139 



shell bore holes, 69 

 Subsurface enamel components, 216 

 Subterranean saprophytes, 92 

 Successive sets of antlers, 348 

 Succinate, oxygen uptake, 593 

 Succinic acid, 167 

 Succinic dehydrogenase 



Havoprotein system, 593 



osteoclasts, 614 

 Suckerhke foot, bivalves, 14 

 Sucrose, chelation, 655 

 Summary 



alveolar bone resorption, 315 



antler shedding, 363 



attrition of sheep's teeth, 168 



bone cells and bone resorption, 491 



bone implants, 529 



bone metabolism, 605 



bone metabolism in vitro, 573, 587 



bone remodeling, 381, 467 



