Index 



723 



Cell(s), differentiation of, cell 

 division in, 109 

 without cleavage, 220-221, 



528 

 endomitosis in, 117, 118 



division of, 91-119 



mitogenesis in, 111-115 

 mitotic time and length of in- 

 terphase in, 114^-115 

 proliferation control in, 113 

 respiratory metabolism and, 

 528-550 



enzyme activity differences in, 

 81 



enzyme concentration diffei-- 

 ences in, 80-81 



enzymes in, structural orienta- 

 tion of, 82-83 



fate of, determination of, 379 



fibrogenesis in, 51-52 



fibrous systems in, 46 



fixation of, 41 



glycolytic and oxidative mech- 

 anisms in, 71-77 



Golgi system in, 45 



granular fractions of, 43-45 



growth of, 375, 381 



indifferent, 380 



interaction of, 61-63 



lineage of, 213, 214, 379 



membrane of, 56-59 

 enzymes of, 58 

 molecular ecology of, 58-59 

 surface charge of, 59 



metabolism of, 70-88 

 control of, 79-80 



microsomes in, 44 



migration of, 381 



mitochondria in, 43 



number at end of cleavage, 621 



particulates in, 41-45 



proliferation of, 378, 382 



secretion granules in, 43 



size changes in metamorphosis, 

 620, 621 



sizes of, 620 



in differentiated tissues, 621 



in eggs, 621 



at end of cleavage, 621 



strains of, 380 

 character of, 379 



structural analysis of, 39, 40 



submicroscopic fibrous struc- 

 tures in, 49-51 



substrate and cofactors in, sup- 

 ply of, 82 



surfaces of, 350 



complementariness of, 568, 



569 

 interaction on cell shape, 62 

 unstabilization of, 381 



synthesis of, 77-79 

 Cell complex, determination of, 



379 

 Cell-lethals, 152, 159 



"Central action systems," 386, 391 

 Central discharge, generation of, 



392 

 Central functions, "total pattern" 



of, 391 

 Central nervous system, 347-348 

 axial differentiation of, 



306, 307, 308 

 development of, 370-389 

 group relations in, 366- 

 370 

 Centrifugation, 233, 234, 243, 263, 



286 

 Cerebrospinal liquor, turgor of, 



372 

 Cervical segments, 382 

 Chemotropism in nerve orienta- 

 tion, 356 

 Chimeric eye, growth adjust- 

 ments of, 408 

 Chondrodystrophy, 700, 704, 706 

 Choroid fissure, 403, 41 1 

 Chromatin diminution in Ascaris, 



170-172 

 Chromosome distribution, effects 



of, 139-141 

 Chromosome mosaics and develop- 

 ment, 138-139 

 Chromosomes, elimination of, 

 172-174 

 See also Mitosis. 

 Cleavage, 213-221 

 adaptation in, 215 

 Balfour rule in, 215 

 bilateral, 215 

 cell nmnber and, 621 

 determinate and indeterminate, 



216, 218, 220 

 energy release during, 529 

 in non-nucleated egg frag- 

 ments, 216-218 

 without nuclei, 216-218 

 ooplasmic segregation and, 218, 



219, 220 

 organizational plasticity and, 



300 

 radial, 213 

 respiratory metabolism and, 



528-530 

 respiratory rhythms during, 



529, 530 

 size inequality in, 215-216 

 spiral, 213, 214 

 in teleosts, 298-300 

 Cleavage nuclei, totipotency of, 



339 

 Cleavage pattern, cytoplasmic 

 streaming and, 218 

 of mosaic vs. regulative eggs, 



220 

 surface tension and, 218 

 Cleavage substances, 218 

 Cloaca and urinogenital sinus, re- 

 actions to sex hormones, 481- 

 482 



Coelenterates, regeneration of. 



See Tubularia. 

 Collateral branching of nerves, 



347, 360, 361, 365, 368, 391 

 Colloids, 359, 360, 367 

 Color pattern. See Pigmentation 



pattern. 

 Commissural neurons, 377, 380 

 Competence, 257-259, 276, 285 



abnormal, in teratogenesis, 707, 

 708 



of gastrula areas, 241, 242 



genetic basis of, 263, 264 



regional pattern of, 258-259 



time pattern of, 257-258 

 Competition, 352 



in regeneration, 669-671 

 Complement, appearance of, 564 

 Complementariness of cell sur- 

 faces, 568, 569 



in induction, 570 

 Conduction, nerve, 363, 367, 376, 

 385 

 velocity of, 347 

 Connections, nerve, intracentral, 

 359 

 peripheral, 361-363 

 terminal, 361, 362-363 

 Constriction of egg, 233 

 Contact affinities, 366, 372 

 "Contact guidance" in nerve ori- 

 entation, 352, 354, 356, 360, 



366, 384 

 Coordinated function, localization 



of, 391 

 Coordinated limb activities within 



cord segments, 386 

 "Coordinated" movement, 384 

 Coordinating mechanisms, 386 

 Coordination, 378, 384, 386, 388, 

 392 



central origin of, 391-392 

 Coordination patterns, source of, 



392 

 Cornea, induction of, 407 



regeneration of, 512, 689 



transplantation of, 385 

 Corpora allata, 343, 637 

 function of, 638 

 hormone of, 641 

 Corpora cardiaca, 637, 638 

 Corpus allatum hormone and pro- 

 thoracic hormone, 641 

 Correlations in teratogenesis, 703, 

 706 



See also Induction. 

 Cranial ganglia, 381 

 Cranial nerves, 383, 386 

 Creeper fowl, 700, 706 

 Critical periods. See Sensitive 



periods. 

 Cross-agglutination, 193 

 Cross-fertilization, 1 93 

 Cross reactions, 556, 557, 558, 559, 



560, 561, 562 



