Ind 



ex 



621 



Lineweaver-Burk plot. 326 

 Lipase, 318 

 Lipid, 268-270 

 Local response, 81, 85 

 Loudness, 7-10, 17-19 



difference limen, 17 



just noticeable differences, 17 

 Loudness level, 10 

 L-S coupling, 518-519 

 Luciferase, 477 

 Luminosity, 120 

 Lumirhodopsin, 356 

 Lysine, 276 

 Lysis, 250 



snap, 255 



from within, 255 

 Lysogenic state, 254 



M 



Macula lutea, 35 



Magnetic effects in biology, 525-526 



Magnetic field, 205-206, 526 



sensory system for, 52, 65, 525 

 Magnetic induction, 205-206, 527 

 Magnetic measurements, 525—536 



resonance type, 531-533 



static, 528-531 



table of comparison, 534 

 Magnetic permeability, 205-206, 527 

 Magnetic susceptibility, 527 



molar, 530 

 Malleus, 21-22 

 Malonic acid, 328 

 Markhoff process, 465 

 Mass action law, 317 

 Mass current, 423 

 Mass spectrometer, 568 

 Medial geniculate body, 115 

 Meiosis, 190-191, 192 

 Membrane: 



idealized for permeability studies, 425 

 Meninges, 90 

 Message, 465 

 Metaphase, 189-190 

 Metarhodopsin, 356 

 Methionine, 276 

 Michaelis constant, 325 (see K M ) 

 Michaelis-Menten kinetics, 32 1 

 Micrococcus lysodeikticus, 333 

 Microelectrode, 145 

 Microscope: 



bright-field light, 538-542 



dark-field, 542-544 



electron, 551-556 



interference-contrast, 545—548 

 Dyson's, 546 

 multiple-beam. interferometer, 547 



phase-contrast, 544 

 colored, 545 



polarizing, 548-550 



types, 537 



X-ray, 550-551 



ultraviolet, 550 



Microscopy, 537-556 

 Microspectrophotometer, 542 

 Microwave wavelengths, 482 

 Miller indices, 283-284 

 Millicurie, 559 

 Mirror points, 177 

 Mitochondria, 140, 268, 380 



rupture by ultrasound, 221 

 Mitosis, 189-191 

 Mitral valve, 162, 164 

 Modulator, 130 

 Molecular biology, 265-382 

 Molecular orbital, 523 

 Molecular spectra, 501-524 



electronic, 520-523 



and quantum mechanics, 501 



rotational bands, 509-512 



vibrational, 509-510, 512-516 

 Molecular vibrations, types of, 514 

 Monochromatic, 120 

 Monochromator, 483, 491-494 



grating, 492-494 



infrared, 494 



prism, 491-493 



ultraviolet, 494 

 Monomer, 267 

 Monose, 271 



Motor end plate, 84 (see End plate) 

 Multiplicity, 519, 522 

 Muscle, 67, 137-182 



A band, 139-141, 151-154 



anatomy, 138-141, 151-154 

 electron microscopy, 151—154 



cardiac, 140 



chemistry, 147-151 



end plate, 84 (see End plate) 



fiber, 139, 181 



heat production, 146-147 



H zone, 139-141, 151-154 



I band, 139-141, 151-154 



involuntary, 141 



J disc, 139 



Qdisc, 139-141, 151-154 



smooth, 139-141 



striated, 139-141 

 skeletal, 140 

 special, 140 



voluntary, 141 

 control of, 95-96 



Z disc, 139-141, 151-154 

 Muscular contraction, 141—154 



initiated by nervous system, 144—146 



sliding model, 153 



tension and length, changes of, 141—143 

 Mutation, 197, 251 



lethal, 197 

 Muton, 199, 256, 259 

 Myelin sheath, 74, 77 

 Myofibril, 139-141, 151-154 

 Myoglobin, 141, 148, 289-292, 333-334, 



477 

 Myoneural junction (also neuromuscular 



junction), 84-87, 144-145 

 Myopic, 39 

 Myosin, 148, 152 



