SUBJECT INDEX 



191 



Myelin lipids 



Changes in during development, 

 39-40 



Components of, 11 

 Myokinase 



In brain extracts, 87 



Nicotinamide 



Effect on diphosphopyridine nu- 

 cleotides in development, 38 

 Nitrous oxide 



Effects on oxidative phosphory- 

 lation in mitochondria, 143 

 Nucleotides — nucleosides (see 

 individual names) 

 Precipitation as mercury salts, 



167 

 Separation by chromatography, 

 168-170 

 Nucleotidase 



Specific for 5 '-nucleotides, 86 

 Nucleotide diphosphokinases 



Presence in brain, 122-123 

 Nucleic acids (see also individual 

 names) 

 Determination of, 175 

 Loss of from perfused brain, 48 

 Radioactive phosphate metabol- 

 ism of in vitro, 94, 96 

 depressants on, 141 

 electrical stimulation on, 117 

 metallic ions on, 131-133 

 metabolic inhibitors on, 117 

 Quantities in brain slices, 94 



Oxidative phosphorylation 

 Depressants on in mitochondria, 



141-145 

 Electrical stimulation and, 126- 



128 

 In brain dispersions and mito- 

 chondria, 81-84 

 Substrates supporting, 83 

 Temperature effect on, 82 

 Oxygen uptake 



Rates in vivo and in vitro, 20 

 in relation to phosphate levels 

 in tissue, 109-111 



Oxygen tension 



Effects of convulsive activity on, 



57-58 



Pentobarbitone 



Anaesthetic concentrations in 



brain in vivo, 139 

 Effects on glutamine synthesis by 

 brain slices, 141 

 on ^^P metabolism, 140 

 on oxidative phosphorylation, 

 141-142 

 Phenobarbitone 



Anaesthetic concentration in 



brain in vivo, 139 

 Effects on glutamine synthesis in 

 vitro, 141 

 on oxidative phosphorylation 



in brain dispersions, 141 

 on phosphate metabolism in 

 electrically stimulated slices, 

 147-149 

 Phosphatido-peptides 



Inositol phosphates in, 14 

 Phosphatidic acids 



In brain microsomes, 27, 89 

 Intermediates in lecithin syn- 

 thesis, 90, 91 

 Precursors of, 91 

 32p metabolism of, 27, 89, 91 

 acetyl choline on, 131 

 tranquillizers on, 140 

 Phosphatidyl ethanolamine 

 Changes in during development, 



40 

 Hydrolysis by brain preparation, 



92 

 Incorporation of phosphoryl- 



ethanolamine into, 91 

 32p metabolism of, 88 



anaesthesia on, 47 

 Quantities of in brain, 13 

 Phosphatidyl choline 



^^P incorporation into in vivo, 

 27 

 in vitro, 88 

 Phosphatidyl serine 



Changes during development, 40 



