740 



Laving hens 



adrenal glands, 432 



cage layer fatigue, 432 



Diamox, 646 

 Leaching of minerals, canaliculi, 465 

 Lead, carious enamel, 199 

 Lead lines, bone formation, 375 

 Leocrates siciliensis, 4 

 Leucine aminopeptidase 



bone cells, 553 



osteoclasts, 511 



resorption, 553 

 Life cycle, osteoclast, 613 

 Life expectancy, osteocytes, 397 

 Light intensity, coral skeletogenesis, 



51 

 Light microscopy, striated cell border, 



499 

 Limestone, 35 

 Liinnoria, 2 



Lines of Retzius, see Retzius hnes 

 Liquid-solid equilibrium, saliva and 



enamel, 143 

 Lithophaga, 17 



acid secretion, 21 



chemical softening, 21 



curningiana, 19 



phinmJa, 20 

 Lithothamnioid algae, 39 

 Lithofrijo, 6, 7 

 Living prey, snail boring, 71 

 Local agent, osteoporosis, 424 

 Local pH, 584 

 Localized resorption, 95 

 LoJiiim perenne, 155, 166 

 Long-term exchange, bone mineral, 



379 

 Loose teeth, scurvy, 95 

 Lovett Memorial Group for Study of 

 Diseases Causing Deformities, 

 691 

 Low-density bone lamellae, 449 

 Lumbar spine, ballooned discs, 389 

 Lumbar vertebrae 



bone failure, 389 



osteoporosis, 454 

 Lubricating action, salivary secretion, 

 93, 112 



SUBJECT INDEX 



Lijsidice collaris, 4 



Lysis, collagen, 680 



Lvsosome, 511 

 osteoclasts, 511 



Lvsosome permeabilitv, cartilage ma- 

 trix, 628 



Lytic cells, basement lamella, 691 



Lytic enzymes, osteoclasts, 489 



Lytic process, bacterial collagenase, 

 682 



Macrophages 



bone implants, 519 



bone resorption, 613 



folded membrane, 499 

 Madracis, 42 

 Magilus, 1 



Magnesium, enamel caries, 197 

 Malic acid, 167 



grass sap, 166 

 Malonate 



inhibition of resorption, 615 



oxygen uptake, 593 

 Mammalian jaws, remodeling, 322 

 Mandible, 322 



tooth germs, 322 

 Mandibular incisors, hyperfunction, 



309 

 Mantle ca\it\', water pressure, 18 

 Manure, fluoride content, 165 

 NLarine Biological Laboratory, 87 

 Marine borers, 25 

 Marine mussels, 8 

 Marine rock-boring organisms, 1 

 Masson trichrome stain, 535 

 Mastication, periodontal tissues, 308 

 Masticatory function, 93 

 Masticatory functional stress, 298, 



299, 306 

 Masticatory impulses, orthodontic acti- 

 vators, 299, 306 

 Masticatorv wear, 91 

 Mathematical treatment 



carious lesion formation, 252 



enamel dissolution, 251 



radioisotope kinetic data, 431 

 ALatrix of bone, 477 



see also under Organic matrix 



