406
SUBJECT INDEX
Nuclear divisions,
in unicellular fungi, 56
synchrony in embryogenesis, 325326
Nucleic acids (see also RNA, DNA),
distribution
in
developing
sea
urchin, 115-124
effect of thiols on synthesis of,
287-288
Nucleoli,
formation in blastulae, 326
Nucleosides,
and ATP formation, 164
as DNA precursors, 251
counter-effects on lithium vegetalization, 164
effect on animal-vegetal determination, 172
Nucleotides,
in developing sea urchin, 119, 171173
in egg development, 178-179
in fungal spores, 62-63, 83-84
Nucleus,
and protein synthesis, 268-274
control by egg cortex, 19-21
-cytoplasmic interaction in blastula,
326-328
-cytoplasmic interaction in gastrulation, 333-336
inducing properties, 328
role in morphogenesis,
124-129,
328-331
Nudibranchia,
19
Ο
Ocinebra, 3
Ooplasmic segregation, 2-14
Opisthobranchiata,
ooplasmic segregation, 4
Oryzias latipes, 102, 137
Oxaloacetate,
reversal of lipoic acid effects, 285
Oxidation-reduction processes,
in sea urchin, 178-179
Oxidative phosphorylation,
effect of calcium on, 97
Oxidoreductase,
in ooplasm, 7
Oxygen uptake (see also Respiration),
effect of thiols on, 287
in cleavage, 347
Ρ
Paracentrotus lividus, 99, 103-118, 131,
182, 185, 326, 328
developmental stages, 148-150
Peroxidase, benzidine,
in ooplasm, 7
Phagocytosis,
in chick blood system, 210, 220
Phosphatase,
acid, nuclear control, 269, 273
alkaline, in developing embryo, 113,
175
Phosphatides,
of egg cortex, 16-17
Phospholipids,
distribution in ooplasm, 7
Physa, 3-8, 11, 19, 27
Pigment,
inhibition by mercaptoethanol, 276
metabolic role, 138
of sea urchin, composition, 138
Planarians,
effect of thiols on, 280
Planorbis t 3, 5
Pleurodeles, 276
Polar lobes,
morphogenetic role, 8
of Prosobranchiata eggs, 3-4, 20-21
Polarity,
determination in mollusc egg, 26
Polyploids,
cleavage in, 333-336
Polysphondylium,
301, 316-319, 321
Potassium,
counter-effects on lithium vegetalization, 164
Prosobranchiata,
egg polar lobes, 3-4
Protein metabolism,
and cilia differentiation, 112
effect of thiols on, 288, 290
in anucleate algae, 268-270
in developing sea urchin egg, 100115, 186-189, 326
in egg determination, 167-170, 186189
in lethal hybrids, 255
Proteins, basic,
in amphibian eggs, 253
role in induction, 266, 289
Proteolytic enzymes,
in sea urchin, 167
SUBJECT INDEX
Nuclear divisions,
in unicellular fungi, 56
synchrony in embryogenesis, 325326
Nucleic acids (see also RNA, DNA),
distribution
in
developing
sea
urchin, 115-124
effect of thiols on synthesis of,
287-288
Nucleoli,
formation in blastulae, 326
Nucleosides,
and ATP formation, 164
as DNA precursors, 251
counter-effects on lithium vegetalization, 164
effect on animal-vegetal determination, 172
Nucleotides,
in developing sea urchin, 119, 171173
in egg development, 178-179
in fungal spores, 62-63, 83-84
Nucleus,
and protein synthesis, 268-274
control by egg cortex, 19-21
-cytoplasmic interaction in blastula,
326-328
-cytoplasmic interaction in gastrulation, 333-336
inducing properties, 328
role in morphogenesis,
124-129,
328-331
Nudibranchia,
19
Ο
Ocinebra, 3
Ooplasmic segregation, 2-14
Opisthobranchiata,
ooplasmic segregation, 4
Oryzias latipes, 102, 137
Oxaloacetate,
reversal of lipoic acid effects, 285
Oxidation-reduction processes,
in sea urchin, 178-179
Oxidative phosphorylation,
effect of calcium on, 97
Oxidoreductase,
in ooplasm, 7
Oxygen uptake (see also Respiration),
effect of thiols on, 287
in cleavage, 347
Ρ
Paracentrotus lividus, 99, 103-118, 131,
182, 185, 326, 328
developmental stages, 148-150
Peroxidase, benzidine,
in ooplasm, 7
Phagocytosis,
in chick blood system, 210, 220
Phosphatase,
acid, nuclear control, 269, 273
alkaline, in developing embryo, 113,
175
Phosphatides,
of egg cortex, 16-17
Phospholipids,
distribution in ooplasm, 7
Physa, 3-8, 11, 19, 27
Pigment,
inhibition by mercaptoethanol, 276
metabolic role, 138
of sea urchin, composition, 138
Planarians,
effect of thiols on, 280
Planorbis t 3, 5
Pleurodeles, 276
Polar lobes,
morphogenetic role, 8
of Prosobranchiata eggs, 3-4, 20-21
Polarity,
determination in mollusc egg, 26
Polyploids,
cleavage in, 333-336
Polysphondylium,
301, 316-319, 321
Potassium,
counter-effects on lithium vegetalization, 164
Prosobranchiata,
egg polar lobes, 3-4
Protein metabolism,
and cilia differentiation, 112
effect of thiols on, 288, 290
in anucleate algae, 268-270
in developing sea urchin egg, 100115, 186-189, 326
in egg determination, 167-170, 186189
in lethal hybrids, 255
Proteins, basic,
in amphibian eggs, 253
role in induction, 266, 289
Proteolytic enzymes,
in sea urchin, 167