712 - Index 



Luteotrophin. 4] 1 



f.yrojjodiuin , 613 



Lyropsidn, 612-14 



Lymph, 118, 290, 319, 333-37, 369: antibody pro- 

 duction. 335-37; blood and tissue cells, relation- 

 ship between, 329-30; circulation of, 334; com- 

 position of, 333; edema, 335; flow of. 334; nodes 

 (glands), 334-35; spleen, 335 



Lysine. 312 



Lysosomes, 28 



M 



McCarty, M., 520 



McEIroy, W. D., 442 



.MacLeod, C. M., 520 



Marrocystis. 238 



Macrogametes, 59, 61 



Macrosporangia, 214 



Macrosporcs. 614 



Macrosporophylls, 218 



Magnesium, 159 



Malignant tumors. 48 



Maltase, 103. 174. 301, 314 



Maltose. 79. 301 



Mammals. 667, 673-76; Eutheria, 674-76; Mrta- 

 Ihrnii, 673-74; placental, 674-76; primitive, 

 568, 569; Prototheria, 673 



Man, 676; behavior of, 469-70; blood, components 

 of. 321; blood types in, 325; chromosomes in, 

 507-08; cranial nerves of, 462; digestive system 

 in, 296-316; embryo of. 392. 393, 558; endocrine 

 glands, 398-417; female reproductive organs, 

 386-88; fossil record, 569-70, 571; genital 

 organs of male, 384; genital tract of female, 

 387; heredity in, 504-10; heritable traits in, 

 505; infections diseases of, 580; kidney of. struc- 

 ture. 372-78; language and, 470; leucocytes in, 

 322; male reproductive tract, 383-86; multipli- 

 cation of, 540; nervous system of, 458-67; ovary 

 and its functions, 386-88; prehistoric, facial 

 restorations of, 571; respiratory system in, 359; 

 skeletal muscles of. 431-39; urinary system of, 

 diagram, 370 



March mil i a. 239, 240 



Marshall, L. k\. Jr., 376 



Marsland. D. A..' 48. 123 



Marsupials. 673-74 



Martin, A. J. P., 164 



Mass movements, 114 



Mass spectrometer. 142 



Mastigophora, 625, 626-27 



Mathaei, J. 11.. 136 



Matrix, intercellular, 34 



Matter, atomic structure, 69-71; chemical com- 

 binations vs. mixing, 69; chemical reactions 

 in relation to, 78; conservation of, 78; energy 



and, 66-71; molecular composition of, 67; mole- 

 cules vs. atoms, 67-68; substances vs. mixtures, 

 68-69 



Maturation of gametes, 476-79 



Mazia, D., 46. 47 



Mechanical energy. 66, 185 



Medulla, 367. 406; adrenal. 406-07 



Medullary ray. 243 



Meiosis. 40, 51-55. 210, 211, 214, 606; divisions. 

 57, 59, 60; free assortment of chromosomes dur- 

 ing, 479-80; significance of, 55 



Melanocyte-stimulating hormone (MSH), 412. 

 413 



Melanophores. 444-45 



Melatonin, 412. 413 



Membranes, boundary, 113; cell, molecular struc- 

 ture of, 117; embryonic, 389-90; extraneous 

 (nonprotoplasmic), 33-34; facilitation and. 

 457-58; fertilization, 272, 274: intrinsic, 16, 31- 

 33; nuclear, 16. 31: plasma (see Plasma mem- 

 brane): semipermeable, 113; vacuolar. 31: 

 vitelline, 274 



Mendel. G., 480. 481, 483-84: law of. 490 



Mendelian inheritance. 481-84 



Menstrual cycle. 401-09 



Menstruation, 401 



Meristem, 228 



Meristem tissue, 242, 261, 262 



Mesentery, 31 1 



Mesoderm, 278-80, 284, 294 



Mesoglea, 292 



Mesonephros, 284 



Mesophy tes. 586 



Mesozoic era, 563, 565, 569 



Messenger RNA, 525 



Metabolic enzymes, 101-02 



Metabolic processes, alcoholic fermentation, 151- 

 52; animation, 152-53; carboxvlation. 152; cyto- 

 chromes in, 146-49; deamination, 152-53; de- 

 carboxylation, 152; glycogen synthesis and 

 glycolysis, 150-51; Krebs cycle, 148, 153-55; 

 phosphorylation, 149-50 



Metabolic (excretory) wastes, 132, 133 



Metabolism, 6, 95-96, 100. 101. 112, 128; anaer- 

 obic, of yeast, 175; basal rate, 344, 403: in bread 

 mold, 176: cellular, 138, 141-56; constructive, 

 133-37, 169-70, 254; destructive, 137-38, 170, 

 254-55, 343-45; diet and, 343-54; dynamic 

 equilibrium, 133-39; energy transformations in 

 the cell, 143-49; excitation, 193; heritable de- 

 fects of, 505-07; holozoic nutrition, 128, 132; 

 intermediary. 141; isotope methods. 141-42; 

 liver functions of, 340-43; nucleus in construc- 

 tive, 35; oxidative, 132 n., 144-45, 149 n.: 

 plants, multicellular, 253-55; recovery, 193; 

 sperm, 385; tests, 344 



Metakinesis, 46 



