770
S U B J E C T I N D E X
Oxamate,
and H e L a cells, 257
Oxoglutarate,
and glutamic acid, 255
and growth, 248
Oxygen,
carriers in medium, 82
consumption of, 73, 242-3, 252, 373,
677
consumption and size o f animal, 8 2 - 3
consumption and triiodothyronine, 642
consumption and vitamin A , 677, 679
and culture o f lens, 80
diffusion of, 2 4 - 5 , 28, 81
in gas-phase o f flasks, 43
gradients in aggregates, 523
and mitosis, 256
mucopolysaccharide production and,
257
optimum tension of, 260-1
in organ cultures, 7 0 - 3 , 77, 79, 8 1 - 2 ,
128
for specialized cells, 257
tension o f malignant tissues, 267
tension and respiration, 267
toxicity of, 25, 71, 82, 260, 576
Oxyntic cells, 26, 46
P
3 2
P ,
and D N A , R N A , turnover, 322-3
labelling o f dividing cells, 421
and origin o f cytoplasmic R N A , 326
Pancreas,
acinar differentiation of, 4 7 2 - 3
induction b y epithelium, 480
mesenchyme and differentiation of,
473, 478
transfilter induction in, 479
Pancreatin,
and decreased production o f mucoid,
59
DNA-ase in, 5 9 - 6 0
as substitute for pure trypsin, 55
Pannett and Compton's solution, 100,
103
Pantothenate,
required b y cell lines, 281
in synthetic media, 115-16, 280
Papain,
extraction o f mucopolysaccharides by,
360-1
and vitamin A on bone, 677
and vitamin A on cartilage, 57, 380-1,
676
Parabiosis, 116
between blastoderms, 564
heteroplastic, 565
Paraffin,
development o f eggs under, 580
Parathormone,
and bone, 6 4 5 - 9
and carbohydrate metabolism, 6 4 8 - 9
on enzymes in b o n e and cartilage, 6 4 8 -
649
inhibiting dehydrogenases, 648
and osteoblasts, 648
Parathyroid (see also Parathormone),
and b o n e and cartilage, 6 4 5 - 9
and calcium, 26
organ culture of, 128, 645
and species-specificity, 6 4 5 - 6
Parietal bone,
parathyroid and, 645-7, 649
Parker's m e d i u m 199 (see also M e d i a ) ,
155
Parthenogenesis, 575, 580
PAS, see Periodic acid-Schiff
Pasteur effect, 251, 260, 2 6 2 - 3
Pellicle,
epithelial (Holtfreter coat), 544
Penicillin,
and growth o f fibroblasts, 117
use of, 21
Pentose phosphate shunt, 248, 251, 254-5
Pentoses,
and mucopolysaccharides, 358, 377
as sources o f carbohydrate, 245
Pepsin,
extract o f mucopolysaccharides by,
360
inactivation o f spino-caudal inducers
by, 552
hydrolysate, and differentiation o f
somites, 569
Peptide links,
arginine-lysine, and trypsin, 54
A T P and, 2 4 1 - 2
Peptones,
stimulation o f "adapted cells" by, 122
as supplement for suspension cultures,
126
as supplements to synthetic media, 105,
109, 123
S U B J E C T I N D E X
Oxamate,
and H e L a cells, 257
Oxoglutarate,
and glutamic acid, 255
and growth, 248
Oxygen,
carriers in medium, 82
consumption of, 73, 242-3, 252, 373,
677
consumption and size o f animal, 8 2 - 3
consumption and triiodothyronine, 642
consumption and vitamin A , 677, 679
and culture o f lens, 80
diffusion of, 2 4 - 5 , 28, 81
in gas-phase o f flasks, 43
gradients in aggregates, 523
and mitosis, 256
mucopolysaccharide production and,
257
optimum tension of, 260-1
in organ cultures, 7 0 - 3 , 77, 79, 8 1 - 2 ,
128
for specialized cells, 257
tension o f malignant tissues, 267
tension and respiration, 267
toxicity of, 25, 71, 82, 260, 576
Oxyntic cells, 26, 46
P
3 2
P ,
and D N A , R N A , turnover, 322-3
labelling o f dividing cells, 421
and origin o f cytoplasmic R N A , 326
Pancreas,
acinar differentiation of, 4 7 2 - 3
induction b y epithelium, 480
mesenchyme and differentiation of,
473, 478
transfilter induction in, 479
Pancreatin,
and decreased production o f mucoid,
59
DNA-ase in, 5 9 - 6 0
as substitute for pure trypsin, 55
Pannett and Compton's solution, 100,
103
Pantothenate,
required b y cell lines, 281
in synthetic media, 115-16, 280
Papain,
extraction o f mucopolysaccharides by,
360-1
and vitamin A on bone, 677
and vitamin A on cartilage, 57, 380-1,
676
Parabiosis, 116
between blastoderms, 564
heteroplastic, 565
Paraffin,
development o f eggs under, 580
Parathormone,
and bone, 6 4 5 - 9
and carbohydrate metabolism, 6 4 8 - 9
on enzymes in b o n e and cartilage, 6 4 8 -
649
inhibiting dehydrogenases, 648
and osteoblasts, 648
Parathyroid (see also Parathormone),
and b o n e and cartilage, 6 4 5 - 9
and calcium, 26
organ culture of, 128, 645
and species-specificity, 6 4 5 - 6
Parietal bone,
parathyroid and, 645-7, 649
Parker's m e d i u m 199 (see also M e d i a ) ,
155
Parthenogenesis, 575, 580
PAS, see Periodic acid-Schiff
Pasteur effect, 251, 260, 2 6 2 - 3
Pellicle,
epithelial (Holtfreter coat), 544
Penicillin,
and growth o f fibroblasts, 117
use of, 21
Pentose phosphate shunt, 248, 251, 254-5
Pentoses,
and mucopolysaccharides, 358, 377
as sources o f carbohydrate, 245
Pepsin,
extract o f mucopolysaccharides by,
360
inactivation o f spino-caudal inducers
by, 552
hydrolysate, and differentiation o f
somites, 569
Peptide links,
arginine-lysine, and trypsin, 54
A T P and, 2 4 1 - 2
Peptones,
stimulation o f "adapted cells" by, 122
as supplement for suspension cultures,
126
as supplements to synthetic media, 105,
109, 123