CONTENTS. xvii 



CHAPTER IX. 

 THE CONTEACTILE TISSUES. 



PAGE 



SECT. 1. THE STRUCTURE OF MUSCLE AND THE CONSTITUENTS OF NORMAL LIVING 



MUSCLE 310 



The Structure of the Contractile Tissues 310 



Structure of Unstriped Involuntary muscle 311 



Structure of Voluntary muscle 313 



The Structure of the Muscular Substance of the Heart . . . 318 



Terminations of Nerves in muscle , 318 



CHEMICAL CONSTITUTION OF NORMAL LIVING MUSCLE, so FAR AS IT CAN BE 



KNOWN OR INFERRED 319 



On the distribution of liquid and solid parts in a voluntary muscular 



fibre 319 



Chemical characters of the Sarcolemma 321 



Chemical nature of the doubly-refracting elements of voluntary 



muscle 321 



The Muscle Plasma 322 



Myosin 323 



Muscle Serum 324 



The Haemoglobin of muscles . . 325 



NITROGENOUS (NON-PROTEID) ORGANIC CONSTITUENTS OF MUSCLE . 325 



Creatine 326 



Creatinine 329 



Hypoxanthine or Sarcine 329 



Xanthine 330 



Carnine ~~T . , , 332 



Uric acid 333 



Urea ... 333 



Inosinic acid 333 



Taurine 333 



NON-NITROGENOUS ORGANIC CONSTITUENTS OF MUSCLE . . . 333 



Fats 334 



Glycogen 334 



Dextrin 336 



Fermentable Sugar . 336 



Inosit 336 



The Ferments present in muscle 338 



THE INORGANIC CONSTITUENTS OF MUSCLE 338 



SECT. 2. GENERAL PHENOMENA OF LIVING MUSCLE 339 



Muscle in a state of rest ......... 839 



Muscle in action 341 



Eigor Mortis 347 



SECT. 3. SPBCIAL STUDY OF THE CHEMICAL CHANGES OF LIVING MUSCLE . 348 



THE CHEMICAL CHANGES OF CONTRACTION AND EIGOR . . . 349 



A. Changes in the composition of muscle itself .... 349 



Changes in the gaseous constituents . . . . . . 349 



Changes in the non-gaseous constituents 359 



