. Comparative animal physiology. Physiology, Comparative; Physiology, Comparative. Fig. 226. Responses of flexor muscle of leg dactylopodite of Carcinus to repetitive stimulation. Frequencies, from highest tension, correspond to intervals of , , , , , , , , , and sigma. Pantin.'"'. Fig. 227. Responses of the sphincter of a sea anemone to repetitive stimuli, intervals between separate stimuli given in seconds. Pantin.''" Repetitive stimulation is essential to elicit complete responses of short- fibered muscles where the excitation spreads from fibe
. Comparative animal physiology. Physiology, Comparative; Physiology, Comparative. Fig. 226. Responses of flexor muscle of leg dactylopodite of Carcinus to repetitive stimulation. Frequencies, from highest tension, correspond to intervals of , , , , , , , , , and sigma. Pantin.'"'. Fig. 227. Responses of the sphincter of a sea anemone to repetitive stimuli, intervals between separate stimuli given in seconds. Pantin.''" Repetitive stimulation is essential to elicit complete responses of short- fibered muscles where the excitation spreads from fiber to fiber or by a nerve network in the muscle. In vertebrate smooth muscles the mechanical response to single shocks may be propagated over many fibers (ureter), or it may be local (intestine). The total response increases as more impulses are delivered. In the nictitating membrane of the cat the contraction rate and height of response increase up to 25-30 per second.^'- In coelenterates. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Prosser, C. Ladd (Clifford Ladd), 1907-; Bishop, David W. Philadelphia, Saunders
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