Page:Life in Motion.djvu/89

 LECTURE III Study of tetanus or cramp— Simple contraction and muscle curve— Muscle sound— Elasticity of muscle— Inherent irritability of muscle— White blood corpuscles— Cilia— Structure of muscle— End-plates in muscle. we shall, in the first place, study tetanus or cramp. For this purpose, I have fitted up the usual preparation, with which

you are now familiar, and I have made arrangements for opening and closing the primary circuit of the induction machine by means of a long flat spring. Here is the