S U B J E C T I N D E X
745
Environmental factors—continued
and differentiation, 464, 4 6 8 - 9
and embryogenesis, 532
and epithelia, 162
and fibroblasts and macrophages, 167
and glycolysis, 250
localization of, 11, 172
and metabolism, 240, 2 5 0 - 2 , 258-66
and Naegleria, 166
in rotation-mediated aggregation, 498
and single cells, 2, 174
as vectors, 181
Enzymes,
adaptive, 2 6 3 - 4 , 280, 307-9, 510
and allergic reactions, 310
bacterial, 57
in bone and cartilage, 6 4 8 - 9
at cell surface, 310
and dedifferentiation, 278-9
for dissociating tissues, 5 4 - 7
effects of, on cells, 57
in embryo juice, 247, 310, 366
and identification o f polysaccharides,
359
induction of, 264, 307-9, 510
inhibitors of, 571
loss of, during culture, 298, 594
loss of, after perfusion with citrate, 58
production of, in suspension cultures,
69
reducing, in embryo, 567
repression of, 295
toxic impurities in, 56
Epidermal cells,
clone of, 48
contact inhibition in, 189-90
differentiation of, 471, 479, 515
as epitheliocytes, 146, 148
and foreign mesenchyme, 4 7 9 - 8 0
and glucose, 27
and liver cells, 173
mucous metaplasia of, 4 7 9 - 8 0
pure strain of, 170-1
and size o f cell aggregates, 502
superficial distribution of, 518, 522-3
surfaces of, 51
unwettable, and organ cultures, 72
Epidermis,
cell divisions in, 616
ciliated cells in, 6 6 4 - 5
keratinizing, and hydrocortisone, 610,
614
B*B
and oestrogens, 616
presumptive, 5 3 3 - 4
regions producing, 536, 539
ultraviolet light and, 610-11
and vitamin A , 614, 6 6 3 - 6 , 668,
679
Epididymis,
sex hormones and, 632-3
Epiphysial cartilage,
corticosteroids and, 612
enzymes in, 6 4 8 - 9
insulin and, 579-9, 601
mitosis in, 676
parathyroid and, 646-7
vitamin A and, 676
Epithelia (see also Epithelial cells, Epitheliocytes),
contact inhibition and type of, 190
and mesenchyme, 4 7 8 - 8 0
of prostate, and sex hormones, 6 2 1 - 4 ,
6 2 8 - 9
recombination with mesenchyme, 491
separation from mesenchyme, 56
uterine, and oestrogens, 627
vaginal, 625-7
and vitamin A deficiency, 660-1
vitamin C and, 683, 686, 690
Epithelial cells (see also Epitheliocytes),
aggregation of, 505
of blastulae, 159-60
calcium and, 27
ciliated, 148, 471
clones of, 65
contact inhibition between, 189-90,194
differentiation of, 155
and endothelial cells, 165
glucose-6-phosphatase in, 266
and hyaluronic acid production, 369
movement of, 197
mutual adhesion of, 194
pure cultures of, 46, 48
recombination of, with fibroblasts, 478,
491
rotation o f nuclei in, 40
of skin in culture, 157
o f stomach in culture, 46
types of, 158, 160
Epitheliocytes, 146
cohesion of, 160, 163
and collagen, 163
definition of, 147,
anct embryo juice, 157
745
Environmental factors—continued
and differentiation, 464, 4 6 8 - 9
and embryogenesis, 532
and epithelia, 162
and fibroblasts and macrophages, 167
and glycolysis, 250
localization of, 11, 172
and metabolism, 240, 2 5 0 - 2 , 258-66
and Naegleria, 166
in rotation-mediated aggregation, 498
and single cells, 2, 174
as vectors, 181
Enzymes,
adaptive, 2 6 3 - 4 , 280, 307-9, 510
and allergic reactions, 310
bacterial, 57
in bone and cartilage, 6 4 8 - 9
at cell surface, 310
and dedifferentiation, 278-9
for dissociating tissues, 5 4 - 7
effects of, on cells, 57
in embryo juice, 247, 310, 366
and identification o f polysaccharides,
359
induction of, 264, 307-9, 510
inhibitors of, 571
loss of, during culture, 298, 594
loss of, after perfusion with citrate, 58
production of, in suspension cultures,
69
reducing, in embryo, 567
repression of, 295
toxic impurities in, 56
Epidermal cells,
clone of, 48
contact inhibition in, 189-90
differentiation of, 471, 479, 515
as epitheliocytes, 146, 148
and foreign mesenchyme, 4 7 9 - 8 0
and glucose, 27
and liver cells, 173
mucous metaplasia of, 4 7 9 - 8 0
pure strain of, 170-1
and size o f cell aggregates, 502
superficial distribution of, 518, 522-3
surfaces of, 51
unwettable, and organ cultures, 72
Epidermis,
cell divisions in, 616
ciliated cells in, 6 6 4 - 5
keratinizing, and hydrocortisone, 610,
614
B*B
and oestrogens, 616
presumptive, 5 3 3 - 4
regions producing, 536, 539
ultraviolet light and, 610-11
and vitamin A , 614, 6 6 3 - 6 , 668,
679
Epididymis,
sex hormones and, 632-3
Epiphysial cartilage,
corticosteroids and, 612
enzymes in, 6 4 8 - 9
insulin and, 579-9, 601
mitosis in, 676
parathyroid and, 646-7
vitamin A and, 676
Epithelia (see also Epithelial cells, Epitheliocytes),
contact inhibition and type of, 190
and mesenchyme, 4 7 8 - 8 0
of prostate, and sex hormones, 6 2 1 - 4 ,
6 2 8 - 9
recombination with mesenchyme, 491
separation from mesenchyme, 56
uterine, and oestrogens, 627
vaginal, 625-7
and vitamin A deficiency, 660-1
vitamin C and, 683, 686, 690
Epithelial cells (see also Epitheliocytes),
aggregation of, 505
of blastulae, 159-60
calcium and, 27
ciliated, 148, 471
clones of, 65
contact inhibition between, 189-90,194
differentiation of, 155
and endothelial cells, 165
glucose-6-phosphatase in, 266
and hyaluronic acid production, 369
movement of, 197
mutual adhesion of, 194
pure cultures of, 46, 48
recombination of, with fibroblasts, 478,
491
rotation o f nuclei in, 40
of skin in culture, 157
o f stomach in culture, 46
types of, 158, 160
Epitheliocytes, 146
cohesion of, 160, 163
and collagen, 163
definition of, 147,
anct embryo juice, 157