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Proctolin and an Endogenous Proctolin Like Peptide Enhance the Contractility of the Limulus Heart

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Academic year: 2020

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Figure

Fig. 3. Time course of proctolin effects. A. Onset kinetics. Proctolin (10~at time zero
Fig. 8. Myogenicby effects of proctolin. Top: TTX application eliminated beating in a normal heart blocking the conduction of impulses in the cardiac ganglion
Fig. 10. Separation of hindgut activating factors from Limulusequivalents dissolved in pH cardiac ganglia
Fig. 12. Response of xheUmulusganglion. LC fractions 22 and 25 (see Fig. 10) were lyophylixed, dissolved in sea water, and applied heart to the proctolin-like peptide isolated from thcLJmuius cardiacto spontaneously beating hearts (at arrow)

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