798 
Lima bean (see Phaseolus limensis) 
Limax flavus, amino acids, 174 
Limulus polyphemus, amino acids, 164 
Lion, urine, amino acids, 201 
Lipid—amino acids, 742-748, 750-758 
— —, artefacts, 744, 752, 753, 759 
— —, biological function, 747, 748, 759, 760, 
— —, covalent bonds, 759 
— —, definition, 759 
— — in Drosophila, 156 
— —, dynamic state,9757 
—  —, formation in non-polar region of cell, 
753, 759, 760 
in Mycobacterium avium, 748 
in Mycobacterium marinum, 748 
, nature of bond, 755, 756, 759, 760 
, occurrence in Drosophila, 747, 748, 752 
—, in Penicillium chrysogenum, 748 
, properties, 751 
, in rabbit appendix, 760 
, reaction with dinitrofluorobenzene, 756 
, — hydroxylamine, 754 
—, role in protein synthesis, 747, 748, 751, 
752, 757) 758 
——,, — transport; 606; 614 752 
— —, synthesis, active lipids, 745, 746 
— —, — in Escherichia coli, 756, 757 
— —, — with hen oviduct, 750, 751 
—-—, —liver cell fractions, requirements, 
742, 743 
— —, —, structural requirements, 753, 754 
— —, —, in transport mutants, 757 
— —, —, variation in type, 751 
—, containing peptides, 480 
—, definition, 759 
— ingestion, effect on blood amino acids, 269 
—, phenylalanine compound, isolation, 745 
—, threonine compound, role in protein syn- 
thesis, 748 
Lipoidic nephrosis, 256, 257 
Litchi chinensis, a-(methylenecyclopropy]) 
glycine, 44, 48 
Lithophage bisulcata, taurine, 166 
Littorvina ivvovata, taurine,165 
— planaxis, amino acids, 184, 185 
Liver, chicken, serine ethanolamine phospho- 
diester, 190 
—, clearance of blood amino acids, 713 
—— disease, effect on urine amino acids, 276 
— disorder, amino acid excretion, 258 
— —, effect on amino acid levels, 268 
—, dog, role in maintaining free amino acid 
levels, 449 
— homogenate, phenylalanine incorporation in 
lipid and protein, 742, 743 
—, mouse, amino acids, 285 
—, —, — during development, 299, 300 
—, rabbit, effect nitrogen mustard on amino 
acids, 407 
—, Rana catesbeiana, amino acids, 
development, 298, 300 
—, rat, amino acids, 325-327 
, —, — animal with lymphosarcoma, 329, 330 
, —, — during autolysis, 295, 297 
during 


\ 
x 
SUBJECT INDEX 
Liver, rat, amino acids, (continuation) 
—, —, — diabetes, 342, 343 
—, —, — homogenates, 289, 290 
—, —, — after partial hepatectomy and 
laparotomy, 325-327 
—, —, —, during perfusion, 713-721 
—, —, —, during starvation and dehydration, 
334-337 
—, —, effect adrenalectomy and hypophys- 
ectomy on amino acids, 345, 346 
—, —, — aminooxyacetic acid on amino acids, 
595 
—, —, — ammonia intoxication on amino 
acids, 340 
—, —, — hydroxylamine on amino acids, 503, 
504 
—, —, — potassium deficiency on amino acids, 
338 
—, —, — thyroxinand thyroidectomy on amino 
acids, 344, 345 
—s vitamin A deficiency on amino acids, 
339, 340 
—, —, hypotaurine, 167 
—, —, lysosome, release of protease, 707 
—, —, nuclei, membrane permeability, 770 
—, —, peptidylphosphatide, 753 
—, —, perfusion studies, 708-721 
—, —, role in amino acid oxidation, 708-712 
regulating blood amino acid levels, 

708 
—, removal, effect on amino acids in plasma 
and tissues, 459 
Lobster (see Homarus vulgaris) 
—, brain, amino acids, 472 
—, nerve, amino acids, 473, 476 
Locust, brain, amino acids, 472 
Locusta migvatoyvia, amino acids, 117 
Loligo pealii, giant nerve axoplasm, amino 
acids, 473, 476, 478, 479 
Loliguncula brevis, taurine, 165, 166 
Lombricine, 187-192 
—, isolation from earthworm, 169 
Lowe syndrome, 257 
Lumobricus terrestyis, lombricine, 169, 187 
Lupinus, asparagine synthesis, 673 
—, seeds, pool changes during germination, 
657, 658 
Lymantria dispar, soluble proteins, 128 
Lymnaea palustris, taurine, absence, 165 
Lymphocytes, human, effect glutamine on 
amino acids, in chronic lymphatic leukemia, 
441, 442, 444 
Lymphosarcoma, amino acids in rat tissues, 
328-334 
Lysine, accumulation by HeLa cells, 697 
—, — microorganisms, 569, 570 
—, dietary requirement, 520 
—, distribution in brain, 555 
—, excretion in cystinuria, 209 
—, —, effect of age, 271 
—, metabolism in rabbit fetus brain, 264, 265 
—, replacement of potassium in muscle, 337 
—, transport in brain, 557, 558 
—, tryptophan, dietary balance, 520 
