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THE EXPERIMENTS of Muller (18) and others demonstrated that stimulation of the central end of a severed ventral spinal root does not result in the production of muscular movements; that is to say, an antidromic volley of impulses in a group of motor axons does not result in the discharge of other motoneurons. However, such antidromic volleys are not without(More)
An apparatus is described which permits the simultaneous recording of body temperature and heart beat frequency in young mice. When heart beat frequency is related to body temperature the values of the temperature characteristic for the inbred albino strain used are 22,400- calories over the range 15 to 20 degrees +, 16,000+/- calories from 20+ to 27(More)
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