342
TOPICAL INDEX
Skin tissues, 2 ff., 26
Somatic cells, 178
Sperm, 301
Spongillidae, gemmules of, 182
Starch, in tumor cells, 66
Statoblasts, 188
Stimulators, 15, 35, 305, 313
Strobilation, 157, 184, 190
Strychnine, 104
Sunflower galls, 60
T
Tadpoles, see Xenopus
laevis
RNA in, 124 ff.
Temperature, effect of,
on budding, 181
on Fucus egg, 301
on tumor induction, 48
Teratomas, in plants, 54, 58
Tetrapoda, see also Anura
limb innervation, 79 ff.
Thiamine pyrophosphatase, 271, 281
Thyrodectomy, 97
Thyroid glands, 241
Thyroid hormones, 97
Thyrotropin, 238
Thyroxin, 237, 241
TIP, see Tumor-inducing principle
Tissue interaction, 252 ff.
Transcription mechanism, 116, 145
Translation mechanism, 117
Transplants, see Implantation
experiments
Trauma, 207, 217, 235
Tumor-inducing principle, 51
Tumors, see also Crown gall
effect on growth, 21, 36
induction, 48
plastids in, 65
starch in, 66
Tunicata, budding of, 157, 165
double ontogenesis of, 192
U
Urodela, nervous system of, 80
V
Ventral horns,
in Anura, 86 ff., 91 ff.
in Mammalia, 106 ff.
Vitellogenesis, 170
w
Wound epithelium, 210, 220
Wound factor, 209
Wounding, 2 ff., 64
of amphibian limbs, 207 ff.
basophilic cells in, 6
by crown gall, 45 ff., 55
effect of hormones, 236, 240
X
Xenopus
laevis
embryonic RNA in, 118 ff.
nervous system in, 83 ff.
Z
Zygotes, see Fucus egg