778
S U B J E C T I N D E X
Serous cells, 160
Serum,
and adhesion o f cells to glass, 493
-agar, 39-41, 76
as aid to differentiation, 172, 470
-albumin as supplement, 109
amino acids of, 110
and culture o f ova, 577, 583
dialysate, 105, 500
in Eagle's medium, 280, 499
and growth o f mechanocytes, 32
inhibition o f trypsin by, 59
and lipid accumulation, 595-6
and macrophages, 157
in maintaining cell suspensions, 69,
126, 155, 292
and monocytes, 45
and mucopolysaccharide production,
373
placental, 75
pregnant mare, 605
-proteins, formation of, 306
and re-aggregation, 500-1
-saline, 76
sialoglycoprotein in, 376
and spreading o f cells, 32
as supplement to synthetic media,
105, 122, 291, 368, 376, 470, 500,
605
Sex chromatin, 446-51
anomalies in, 414
embryonic appearance of, 450
in fibroblasts, 399, 401
in hermaphrodites, 4 0 8 - 9
in Klinefelter's syndrome, 401, 4 0 4 - 6
in leucocytes, 399
in mammals and heterochromatin in
Drosophila, 449
in nuclei o f neurons, 399-400
and numbers o f X-chromosomes, 447
and size o f X-chromosomes, 450
in somatic nuclei, 404, 407, 436
tetraploid cells, 434
in Turner's syndrome, 402, 407
Sex chromosomes (see also X and Y
chromosomes), 446-51
of Chinese hamster, 436
heteropyknotic, 435
human, 398-9
and thymidine labelling, 436
and time o f D N A synthesis, 436
Sex determination, 446-51
in insects, 408
in mammals, 415, 447-8
in man, 398, 401
X x X 2 Y system, 447
Sex hormones, 615-33
and alkaline phosphatase, 672
on cell cultures, 632
and differentiation, 649
and melanin synthesis, 609
on melanophores, 632
on organ cultures, 617 et seq. f 632
and prostatic tumours, 628, 630
Sex-linked mutants,
and inactivating o f X-chromosomes,
449
"Shaker-flask",
gyratory, for aggregation, 495-7
for suspension cultures, 11, 69
Shells o f influence,
on cells, in differentiation, 482
Sialic acid,
and cell surface, 376
definition of, 358
estimation of, 365
formed from glucosamine, 377
and H e L a cells, 375
in mucoid from erythrocytes, 59, 376
in neutral mucoopolysaccharides, 358
in polysaccharides, 355
released b y trypsin, 376
Sialidase,
staining o f sialoglycoproteins and, 359
Sialoglycoprotein,
in cartilage, 355
as protein component o f mucoprotein,
355
in serum, 376
staining of, 359
Sialomucopeptide,
on red cells, 376
Sickle-cell anaemia, 465
Silicic acid,
and production o f collagen, 305
Silicone,
treatment o f lens paper, 79
treatment o f vessels, 127
Silicone-rubber,
gaskets for perfusion chambers, 38
Silver impregnation,
and vitamin C , 681
S U B J E C T I N D E X
Serous cells, 160
Serum,
and adhesion o f cells to glass, 493
-agar, 39-41, 76
as aid to differentiation, 172, 470
-albumin as supplement, 109
amino acids of, 110
and culture o f ova, 577, 583
dialysate, 105, 500
in Eagle's medium, 280, 499
and growth o f mechanocytes, 32
inhibition o f trypsin by, 59
and lipid accumulation, 595-6
and macrophages, 157
in maintaining cell suspensions, 69,
126, 155, 292
and monocytes, 45
and mucopolysaccharide production,
373
placental, 75
pregnant mare, 605
-proteins, formation of, 306
and re-aggregation, 500-1
-saline, 76
sialoglycoprotein in, 376
and spreading o f cells, 32
as supplement to synthetic media,
105, 122, 291, 368, 376, 470, 500,
605
Sex chromatin, 446-51
anomalies in, 414
embryonic appearance of, 450
in fibroblasts, 399, 401
in hermaphrodites, 4 0 8 - 9
in Klinefelter's syndrome, 401, 4 0 4 - 6
in leucocytes, 399
in mammals and heterochromatin in
Drosophila, 449
in nuclei o f neurons, 399-400
and numbers o f X-chromosomes, 447
and size o f X-chromosomes, 450
in somatic nuclei, 404, 407, 436
tetraploid cells, 434
in Turner's syndrome, 402, 407
Sex chromosomes (see also X and Y
chromosomes), 446-51
of Chinese hamster, 436
heteropyknotic, 435
human, 398-9
and thymidine labelling, 436
and time o f D N A synthesis, 436
Sex determination, 446-51
in insects, 408
in mammals, 415, 447-8
in man, 398, 401
X x X 2 Y system, 447
Sex hormones, 615-33
and alkaline phosphatase, 672
on cell cultures, 632
and differentiation, 649
and melanin synthesis, 609
on melanophores, 632
on organ cultures, 617 et seq. f 632
and prostatic tumours, 628, 630
Sex-linked mutants,
and inactivating o f X-chromosomes,
449
"Shaker-flask",
gyratory, for aggregation, 495-7
for suspension cultures, 11, 69
Shells o f influence,
on cells, in differentiation, 482
Sialic acid,
and cell surface, 376
definition of, 358
estimation of, 365
formed from glucosamine, 377
and H e L a cells, 375
in mucoid from erythrocytes, 59, 376
in neutral mucoopolysaccharides, 358
in polysaccharides, 355
released b y trypsin, 376
Sialidase,
staining o f sialoglycoproteins and, 359
Sialoglycoprotein,
in cartilage, 355
as protein component o f mucoprotein,
355
in serum, 376
staining of, 359
Sialomucopeptide,
on red cells, 376
Sickle-cell anaemia, 465
Silicic acid,
and production o f collagen, 305
Silicone,
treatment o f lens paper, 79
treatment o f vessels, 127
Silicone-rubber,
gaskets for perfusion chambers, 38
Silver impregnation,
and vitamin C , 681