The Biochemical journal, 1907 . Fig. 5.—Frogs gastrocnemius, living. Note contractions due to electric stimuliup to 42° C, HKAT RIGOR IN \ ERTKBRAII-: Ml SCI-K 371 In unstriped amphibian muscle the same two contractions occur,but in this case there is always considerable relaxation between thetwo contractions. (See Fig. 6.). Fig. 6.—Frogs stomach, living. Marked relaxation after the first contraction iswell shown in this tracing. Thus it will be seen that in amphibian as well as mammalianmuscle of both kinds living at the beginning of the experiment weget two contractions, and we may assume th
The Biochemical journal, 1907 . Fig. 5.—Frogs gastrocnemius, living. Note contractions due to electric stimuliup to 42° C, HKAT RIGOR IN \ ERTKBRAII-: Ml SCI-K 371 In unstriped amphibian muscle the same two contractions occur,but in this case there is always considerable relaxation between thetwo contractions. (See Fig. 6.). Fig. 6.—Frogs stomach, living. Marked relaxation after the first contraction iswell shown in this tracing. Thus it will be seen that in amphibian as well as mammalianmuscle of both kinds living at the beginning of the experiment weget two contractions, and we may assume that in both cases the firstis due to the muscle protein, the second to the connective tissue.
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