Index - 711 



K 



Kala azar, 627 



Kalckar, H.. 507 



Kamen, M., 164 



Karyotype, 508 



Katz, B., 427 



Keilin, D., 146 



Kelps (see Algae, brown) 



Kennedy, D„ 427 



Kidney, 369: evolution of the vertebrate, 376- 

 77; nitration, 373-74; nephrons, 372-73; origin 

 of, 284; reabsorption, 374-76; renal impair- 

 ments, 376; secretion, 376; structure and func- 

 tions of, 372-78; tubule, 371; urine, formation 

 of, 373 



Kinetin, 265 



Kinetochore, 41, 46 



King, T„ 531 



Kitching, J. A., 123 



Klinefelter syndrome, 507, 508 



Koch, R., 8 



Kornberg, A., 523, 524 



Krebs, H., 153 



Krebs cycle, 148, 153-55 



Kupffer cells, 343 



Labyrinth, organ of equilibrium, 424-25 



Labyrinthodonta, 671 



Labyrinthula, 574 



Lactase, 103, 314 



Lactation, hormone control of, 402 



Lacteals, 340 



Lactic acid, 100, 177 



Lactic dehydrogenase, 100, 101, 108 



Lactone compounds, unsaturated, 265 



Lactose, 79 



Lamarck, P., 549-50 



Lamarckism, 549-50 



Lamellae, 159 



Lampbrush chromosomes, 25 



Lamp-shell animals, 643-44, 645 



Land environment, plants and, 238-39 



Language, man and, 470 



Large intestine (see Colon) 



Larvae, 381, 556 



Larynx, 297, 303, 359 



Lavoisier, A., 13 



Learning, facilitation and, 457-58 



Leaves, 237, 238; economic importance of, 257; 

 elevation of sap, 252-53; flow of sap, transpira- 

 tion and, 251-52; functions of, 249-53; seed 

 plants, 232; structure of, 249-50; transpiration, 

 250-52 



Lecithin, 82-83 



Leeches, 647, 648, 649 



Leeuwenhoek, A., 38 



Leevaart, J. A. D., 266 



Lepidoptera, 658 



Lerner, A. B., 412,413 



Leucocytes, 289-90, 321-23 



Levan, A., 507 



Lewis, W. H., 30, 48 



Lice, 577, 578 



Lichens, 179, 607-09 



Life, activities of, 3-5; code of, 135: continuity 

 of, 15; existence elsewhere, 187; origin of, 186- 

 87; perpetuation of, solar energy and, 185-86; 

 physical basis of, 6; protoplasm and, 5-7; vari- 

 ants of, 3 



Life cycles, angiosperms, 209, 216-28; bacteria. 

 208; ' bryophytes, 208; cyanophytes, 208; fern 

 (Filiceneae), 203-05, 209, 214; gymnosperms, 209, 

 216-28; haploid and diploid phases of, 60-62 

 malaria parasites, 579; mosses, 208, 212-14, 215 

 pork tapeworm, 640; schizomycophytes, 208 

 seed plants, 209, 216-28: Selaginella, 214-16 

 thallophytes, higher, 208, 209-12 



Ligaments, 289 



Light, 66, 185; as abiotic environment, 583-84; 

 luminescent organs. 442-43; receptors of, 421— 

 24; responses to. 265-67 



Light microscope, 20. 21, 23. 24 



Light reactions, 160 



Limpets, 653 



Linear order, 495 



Linkage (dependent assortment), 490-91, 492; in- 

 complete, 491-93 



Linnaeus, C, 592 



Lipases, 101, 103, 306, 312 



Lipids, 76, 80-83; as lood substances. 127; liver 

 action on, 343; phospholipids, 82-83; steroids, 

 82-83; true fats. 81-82 



Lipmann, F., 144, 153 



Lipoproteins, 88 



Lips. 298 



Liquids, 67 



Liver, 283. 296, 297, 310, 311, 312-13; action on 

 fats, 343; duodenum and, relationship, 311; 

 functions of, 340-43 



Liverworts, 610: nutrition of, 239-40 



Lobe-finned fishes, 670, 671 



Lobsters, 655; hemolymph circulation of, 318-19 



Loop of Henle, 372, 373 



Lophophore, 644 



Luciferase, 442 



Luciferin, 442-43 



Lumber, as plant product, 257 



Luminescent organs, 431, 442-43 



Lumirhodopsin, 423 



Lung fishes, 669-70 



Lungs, 283, 358-61; breathing movements, 361- 

 62; intake and output of, volume. 362 



