766
S U B J E C T I N D E X
Mucus,
definition, 355
in metaplastic epidermis, 614, 665
secretion and keratinization, 679
Miillerian duct,
sex hormones and, 617-20
Muscle cells,
as amoebocytes, 159
cardiac, 146, 148, 465, 4 7 4 - 5 , 491
contraction of, 66, 212
and cortisone, 612, 614
differentiation of isolated, 474, 491
differentiation o f striated, 465, 4 7 5 - 6 ,
491
dystrophic, 311
insulin and, 128
as mechanocytes, 159
myosin in, 466
nuclei in, 216
in outgrowth o f thymus, 143
plain, 146
position of, in aggregates, 522
proportion of, in aggregates, 506
in prostate, 625
vitamin A and, 660
vitamin G and, 686-7
Muscle proteins,
and induction, 549
Mutation,
and cell morphology, 465
of cells in clones, 68
to form viable cell lines, 49, 168
Myelin figures, 158
Myoblasts,
in aggregates, 506, 508
and ascorbic acid, 683, 686-7
from cardiac muscle, 4 7 4 - 5
chimaeras with cardiac, 511
cortisone and, 614
definition of, 163
fusion of, 475
and glutamic acid, 304
and leucine, 113
from pectoral muscle, 475
in synthetic media, 686
utilization o f amino acids by, 3 0 3 - 4
Myocardium,
and incorporation o f tritiated thymidine, 422
Myoinositol,
requirement for, 247
Myometrium,
ionic balance in, 167
oestrone and, 627
Myosin,
as antigen, 466
Myotomes,
induced b y bone marrow, 546
Myotubes,
multinucleate, 475
M y t o m y c i n C ,
and structure o f chromosomes, 414
Myxoblasts, 163
N
Naegleria gruberi,
change o f form in, 26, 166
a-naphthylthiourea,
and pigment formation, 644
"Natural" media (Biological media),
and content o f hormones, 606, 634
and culture o f ovaries, 605
dialysis of, 103
disadvantages of, 8
and synthetic media, 102-3, 568, 570,
592, 627
use of, 21, 256, 368
vagina in, 625, 627
N G T G 929, see Strain L
Necrosis,
in cultures, 8 3 - 4 , 86, 101
Neoplastic cells,
in cell aggregates, 510, 518
Neotetrazolium,
and localization o f enzymes, 567
Nerve cells (see also Neurons), 147-8
contacts between, 163
differentiation of, 3, 159, 173, 474, 491
and glucose, 27
poliomyelitis virus in, 12
rotation o f nuclei in, 40
Nerve fibres,
amyelinate, 152
growth of, 3, 474
myelinate, 152
orientation of, 191
Nervous system,
dehydrogenases of, 567
embryonic regions producing, 536
enzymes of cephalic, 567
and glucose lack, 566
metabolic inhibitors and, 571-2
S U B J E C T I N D E X
Mucus,
definition, 355
in metaplastic epidermis, 614, 665
secretion and keratinization, 679
Miillerian duct,
sex hormones and, 617-20
Muscle cells,
as amoebocytes, 159
cardiac, 146, 148, 465, 4 7 4 - 5 , 491
contraction of, 66, 212
and cortisone, 612, 614
differentiation of isolated, 474, 491
differentiation o f striated, 465, 4 7 5 - 6 ,
491
dystrophic, 311
insulin and, 128
as mechanocytes, 159
myosin in, 466
nuclei in, 216
in outgrowth o f thymus, 143
plain, 146
position of, in aggregates, 522
proportion of, in aggregates, 506
in prostate, 625
vitamin A and, 660
vitamin G and, 686-7
Muscle proteins,
and induction, 549
Mutation,
and cell morphology, 465
of cells in clones, 68
to form viable cell lines, 49, 168
Myelin figures, 158
Myoblasts,
in aggregates, 506, 508
and ascorbic acid, 683, 686-7
from cardiac muscle, 4 7 4 - 5
chimaeras with cardiac, 511
cortisone and, 614
definition of, 163
fusion of, 475
and glutamic acid, 304
and leucine, 113
from pectoral muscle, 475
in synthetic media, 686
utilization o f amino acids by, 3 0 3 - 4
Myocardium,
and incorporation o f tritiated thymidine, 422
Myoinositol,
requirement for, 247
Myometrium,
ionic balance in, 167
oestrone and, 627
Myosin,
as antigen, 466
Myotomes,
induced b y bone marrow, 546
Myotubes,
multinucleate, 475
M y t o m y c i n C ,
and structure o f chromosomes, 414
Myxoblasts, 163
N
Naegleria gruberi,
change o f form in, 26, 166
a-naphthylthiourea,
and pigment formation, 644
"Natural" media (Biological media),
and content o f hormones, 606, 634
and culture o f ovaries, 605
dialysis of, 103
disadvantages of, 8
and synthetic media, 102-3, 568, 570,
592, 627
use of, 21, 256, 368
vagina in, 625, 627
N G T G 929, see Strain L
Necrosis,
in cultures, 8 3 - 4 , 86, 101
Neoplastic cells,
in cell aggregates, 510, 518
Neotetrazolium,
and localization o f enzymes, 567
Nerve cells (see also Neurons), 147-8
contacts between, 163
differentiation of, 3, 159, 173, 474, 491
and glucose, 27
poliomyelitis virus in, 12
rotation o f nuclei in, 40
Nerve fibres,
amyelinate, 152
growth of, 3, 474
myelinate, 152
orientation of, 191
Nervous system,
dehydrogenases of, 567
embryonic regions producing, 536
enzymes of cephalic, 567
and glucose lack, 566
metabolic inhibitors and, 571-2