762
S U B J E C T I N D E X
Melanoblasts,
contractile movements in, 195
embryo extract and, 644
negative chemotaxis of, 186, 192-3
phenylalanine and, 306
ruffles on, 179
thyroxine and, 644
Melanophores,
corticosteroids and, 609, 615
induction b y archencephalic inducer,
549
induced b y b o n e marrow, 546
red, 609, 632
and sex hormones, 632
thyroxine and, 644
Membrane-filter (millepore),
in study o f differentiation, 155, 479-81
Mercaptoethanol,
and doubling o f centrioles, 228
Mercuric chloride,
and S H groups, 568, 570
Mesectoderm,
separated from endoderm, 556
Mesenchyme,
chondrogenic, and mesonephros, 472
and differentiation o f epithelia, 4 7 8 - 9 ,
516
and differentiation of pancreas, 473,478
in ectoderm cultures, 544
effects of, exerted through filters, 479
and epithelium compared, 194
formation of, 161
and formation o f serum proteins, 306
induced b y bone marrow, 546
as inducing agent, 155, 479
inhibition of, 46, 683
location of, in the embryo, 162
metanephrogenic, 480, 506, 509
salivary, 4 7 8 - 9
specific qualities of, 4 7 8 - 9
two types o f cells in, 162, 172
vitamin C and, 681, 688
Mesentery,
organ culture of, 71, 76, 78
Mesoderm,
differentiation of, and inducing agents,
541-2, 544, 547-8, 550
extracts of, 573
inducing p o w e r o f embryo-extract, 552
inducing power o f pre-chordal, 558
inducing power o f ventral, 551
induction in, 560
organizing centres of, 559-60
regions producing, 539
Mesohyl, 160, 161
effect o n cells, o f entering, 165
Mesonephros,
aggregates of, 497, 512, 516
in aggregates with retinal pigment cells,
522
cells from and limb-bud cells, 516
cultured with chondrogenic mesenchyme, 472, 512
vitamin G and tubules of, 686
Mesothelia,
contact between cells of, 163
as source o f mechanocytes, 147
Mesothelial cells,
fibroblasts and, 165
Messenger R N A , 241, 243, 321
Metabolic inhibitors,
and cell movement, 253
and development o f blastoderms, 571
and heart, 571-2
and nervous system, 5 7 1 - 2
and protein turnover, 293
Metabolic pools, 256, 278, 570
and environment, 285
Metabolism,
cell cultures and study of, 61, 68, 289
during cell cycle, 225
changes o f during culture, 298, 515
corticosteroids and, 265, 615
dependence o f aggregation on, 499
of different cell lines, 2 9 3 - 4
effects o f dissociating agents on, 58
environmental factors and, 240, 2 5 0 - 2 ,
258-66
o f Hensen's node, 571-2
inhibitors of, 253, 293, 571-2
Metacarpal,
triiodothyronine and, 643
Metacentrics,
formation of, 411-12
Metachromatic staining, 358-9, 378
o f cartilage matrix, 476, 598, 612
papain and, 380-1
and sulphate, 676
with thionin, 476
with toluidine blue, 358-9, 598, 6 7 5 - 6
vitamin A and, 381, 383, 614, 6 7 5 - 6
Metanephrogenic mesenchyme,
in aggregates, 506, 509
differentiation of, 480
S U B J E C T I N D E X
Melanoblasts,
contractile movements in, 195
embryo extract and, 644
negative chemotaxis of, 186, 192-3
phenylalanine and, 306
ruffles on, 179
thyroxine and, 644
Melanophores,
corticosteroids and, 609, 615
induction b y archencephalic inducer,
549
induced b y b o n e marrow, 546
red, 609, 632
and sex hormones, 632
thyroxine and, 644
Membrane-filter (millepore),
in study o f differentiation, 155, 479-81
Mercaptoethanol,
and doubling o f centrioles, 228
Mercuric chloride,
and S H groups, 568, 570
Mesectoderm,
separated from endoderm, 556
Mesenchyme,
chondrogenic, and mesonephros, 472
and differentiation o f epithelia, 4 7 8 - 9 ,
516
and differentiation of pancreas, 473,478
in ectoderm cultures, 544
effects of, exerted through filters, 479
and epithelium compared, 194
formation of, 161
and formation o f serum proteins, 306
induced b y bone marrow, 546
as inducing agent, 155, 479
inhibition of, 46, 683
location of, in the embryo, 162
metanephrogenic, 480, 506, 509
salivary, 4 7 8 - 9
specific qualities of, 4 7 8 - 9
two types o f cells in, 162, 172
vitamin C and, 681, 688
Mesentery,
organ culture of, 71, 76, 78
Mesoderm,
differentiation of, and inducing agents,
541-2, 544, 547-8, 550
extracts of, 573
inducing p o w e r o f embryo-extract, 552
inducing power o f pre-chordal, 558
inducing power o f ventral, 551
induction in, 560
organizing centres of, 559-60
regions producing, 539
Mesohyl, 160, 161
effect o n cells, o f entering, 165
Mesonephros,
aggregates of, 497, 512, 516
in aggregates with retinal pigment cells,
522
cells from and limb-bud cells, 516
cultured with chondrogenic mesenchyme, 472, 512
vitamin G and tubules of, 686
Mesothelia,
contact between cells of, 163
as source o f mechanocytes, 147
Mesothelial cells,
fibroblasts and, 165
Messenger R N A , 241, 243, 321
Metabolic inhibitors,
and cell movement, 253
and development o f blastoderms, 571
and heart, 571-2
and nervous system, 5 7 1 - 2
and protein turnover, 293
Metabolic pools, 256, 278, 570
and environment, 285
Metabolism,
cell cultures and study of, 61, 68, 289
during cell cycle, 225
changes o f during culture, 298, 515
corticosteroids and, 265, 615
dependence o f aggregation on, 499
of different cell lines, 2 9 3 - 4
effects o f dissociating agents on, 58
environmental factors and, 240, 2 5 0 - 2 ,
258-66
o f Hensen's node, 571-2
inhibitors of, 253, 293, 571-2
Metacarpal,
triiodothyronine and, 643
Metacentrics,
formation of, 411-12
Metachromatic staining, 358-9, 378
o f cartilage matrix, 476, 598, 612
papain and, 380-1
and sulphate, 676
with thionin, 476
with toluidine blue, 358-9, 598, 6 7 5 - 6
vitamin A and, 381, 383, 614, 6 7 5 - 6
Metanephrogenic mesenchyme,
in aggregates, 506, 509
differentiation of, 480