INDEX. 



931 



Medulla oblongata, 228 



respiratory center in, 631 

 Medullary striae, 203 

 Meningeal spaces, 574 

 Menstruation, 874 



effect of, on other functions, 879 

 physiological significance of, 878 

 Mercury manometer, use of, for blood- 

 pressures, 455 

 Metabolism, definition of, 808 



intermediary, of carbohydrates, 824 

 of fats, S26 

 of nucleoproteins, 816 

 of proteins, 811 

 Methemoglobin, 410 

 Methylpurins, 778 

 Micturition, physiology of, 783 

 Milk, composition of, 891 

 Millon's reaction for proteins, 910 

 Minimal air, 601 

 Miosis, definition of, 308 

 Molisch reaction for proteins, 910 

 Monakow's bundle, 171, 187 

 Motor aphasia, 206 

 areas of brain, 184 

 paths in spinal cord, 168 

 points in man, 88 

 Mountain sickness, 650 

 Movements of alimentary canal, defe- 

 cation, 671 

 deglutition, 655 

 large intestine, 670 

 mastication, 655 

 small intestine, 656 

 stomach, 661 

 vomiting, 672 

 Mucin in saliva, 690 

 Muscarin, action of, on heart, 539 

 on iris, 308 

 on sweat glands, 791 

 Muscle, absolute power of, 36 

 action current of, 96 

 artificial stimulation of, 23 

 carbohydrates of, 59 

 cardiac, properties of, 54, 523 

 chemical changes of, in contrac- 

 tion, 62 



composition of, 57 

 compound contractions of, 39 

 contraction of, 26 

 contraction wave of, 33 

 contracture of, 33 

 curve of work of, 36 

 death rigor, 49 

 demarcation current of, 91 

 direct irritability of, 22 

 disappearance of glycogen in, 63 

 effect of temperature upon, 28 



of veratrin upon, 30 

 energy liberated in, 34 

 Engelmann's artificial, 69 

 enzymes of, 61 



Muscle, ergographic records from, 45 



extensibility and elasticity of, 19 



fatigue of, 33, 47, 66 



glycogen of, 757 



heat rigor of, 49 



inorganic salts of, 62 



introductory contractions of, 33 



isotonic and isometric contrac- 

 tions of, 27 



lactic acid of, 60 



latent period of contraction of, 26 



maximal and submaximal contrac- 

 tions of, 27 



nitrogenous extractives of, 61 



number of stimuli necessary for 

 tetanus, 42 



pigments of, 61 



plain, 52 



plasma, 18, 57 



proteins of, 57 



sarcoplasm, 18 



simple contraction of, 24 



stroma, 59 



structure of fiber, 18 

 by polarized light, 19 



summation of contractions of, 39 



theories of nature of contraction, 

 68 



tone of, during contraction, 41 



tonicity of, 48 



vasomotor supply of, 583 



voluntary contractions of, 43 



white and red fibers of, 30 

 Muscle-sense, cortical area for, 191 



distribution and characteristics of, 

 268 



importance of, in visual judg- 

 ments, 355 



paths for, in spinal cord, 164, 166 



quality of, 269 



Muscular insufficiency in movements 

 of eyeballs, 349 



work, effect of, on heart rate, 548 

 on physiological oxidations, 



840 



on protein metabolism, 841 

 on respiratory movements, 648 

 Musical sounds, classification and 



properties of, 372 

 Mydriasis, definition of, 308 

 Myelin sheath of nerve fibers, func- 

 tion of, 73 

 Myelinization method of Flechsig, 



158, 212 

 Myogen, 58 



fibrin, 58 



Myogenic theory of heart beat, 517 

 Myohematin, 412 

 Myopia, 300 

 Myosin, 58 



fibrin, 58 

 Myxedema, 795 



