408
SUBJECT INDEX
Spindles,
control by egg cortex, 19-21
Sporangia of aquatic fungi,
biochemistry and growth, 57-85
cleavage in, 85-87
Spores, fungal,
age-controlled cultures, 51-53
bicarbonate trigger mechanism in,
53, 58, 64, 68, 80
chemical composition, 47-49
germination, 49-51
Sporotrichum, 80
Starling,
embryonic blood, 206, 215
Strongylocentrotus,
126, 177, 326
Strontium,
lethal effect on eggs, 18
Sturgeon, 325, 328
duration of cleavage, 332, 337,
342-345
ear differentiation, 353-355
Succinia, 3-7
Sulphydryl-containing substances,
and morphogenesis, 274-282
in sea urchin, 180-183
Τ
Taricha torosa, 346
Temperature,
effect on ciliary beat, 346
on duration of cleavage, 337-339,
347
on eye lens differentiation, 346
Tentacles of gastropods,
malformation by lithium, 22
Thiols (see Sulphydryl)
Thiomalic acid,
animalization by, 182
Thrombocytes,
in chick blood, 212-214
TPNH,
in developmental shift of fungal
spores, 62-63
in lethal hybrid metabolism, 254
Tricarboxylic acid cycle (TCA),
and vegetalization, 162
effect on morphology of lower
organisms, 80
in fungal spore differentiation, 58-68,
74-77
Trichophyton, 80
Triton, 326-328
blastomere separation by ligature,
380-383
duration of cleavage, 340-344
ear differentiation, 315-353
latent differentiation in germ layers,
356-358
U
Ultraviolet radiation,
effect on RNA and protein synthesis,
271
Urosalpinx, 3
V
Vegetalization,
and RNA metabolism, 171
biochemistry of, 159-164
by nucleosides, 172
of sea urchin, 150-153
Vegetalizing agents,
effect on cell structure, 183-186
effect on proteins, 187-189
Vitamin B 1 2 ,
effect on erythropoiesis, 211
Vitamin C,
distribution in centrifuged eggs, 13
W
Water,
effect on Acrasina differentiation,
318-319
X
Xenopus, 133, 276
effect of dorsal cortex on egg
development, 378-379
RNA in development of, 260-262
Y
Yolk,
breakdown, 102, 136-137, 168
distribution in ooplasmic segregation, 4
in embryonic blood stream, 220
in inductive processes, 266, 289
platelets, DNA of, 251
RNA of, 262
structure, 136
relation to cortex in bilateral symmetry, 366, 369, 371-373
SUBJECT INDEX
Spindles,
control by egg cortex, 19-21
Sporangia of aquatic fungi,
biochemistry and growth, 57-85
cleavage in, 85-87
Spores, fungal,
age-controlled cultures, 51-53
bicarbonate trigger mechanism in,
53, 58, 64, 68, 80
chemical composition, 47-49
germination, 49-51
Sporotrichum, 80
Starling,
embryonic blood, 206, 215
Strongylocentrotus,
126, 177, 326
Strontium,
lethal effect on eggs, 18
Sturgeon, 325, 328
duration of cleavage, 332, 337,
342-345
ear differentiation, 353-355
Succinia, 3-7
Sulphydryl-containing substances,
and morphogenesis, 274-282
in sea urchin, 180-183
Τ
Taricha torosa, 346
Temperature,
effect on ciliary beat, 346
on duration of cleavage, 337-339,
347
on eye lens differentiation, 346
Tentacles of gastropods,
malformation by lithium, 22
Thiols (see Sulphydryl)
Thiomalic acid,
animalization by, 182
Thrombocytes,
in chick blood, 212-214
TPNH,
in developmental shift of fungal
spores, 62-63
in lethal hybrid metabolism, 254
Tricarboxylic acid cycle (TCA),
and vegetalization, 162
effect on morphology of lower
organisms, 80
in fungal spore differentiation, 58-68,
74-77
Trichophyton, 80
Triton, 326-328
blastomere separation by ligature,
380-383
duration of cleavage, 340-344
ear differentiation, 315-353
latent differentiation in germ layers,
356-358
U
Ultraviolet radiation,
effect on RNA and protein synthesis,
271
Urosalpinx, 3
V
Vegetalization,
and RNA metabolism, 171
biochemistry of, 159-164
by nucleosides, 172
of sea urchin, 150-153
Vegetalizing agents,
effect on cell structure, 183-186
effect on proteins, 187-189
Vitamin B 1 2 ,
effect on erythropoiesis, 211
Vitamin C,
distribution in centrifuged eggs, 13
W
Water,
effect on Acrasina differentiation,
318-319
X
Xenopus, 133, 276
effect of dorsal cortex on egg
development, 378-379
RNA in development of, 260-262
Y
Yolk,
breakdown, 102, 136-137, 168
distribution in ooplasmic segregation, 4
in embryonic blood stream, 220
in inductive processes, 266, 289
platelets, DNA of, 251
RNA of, 262
structure, 136
relation to cortex in bilateral symmetry, 366, 369, 371-373
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