. The Biological bulletin. Biology; Zoology; Biology; Marine Biology. 338 ROBERT JAY HAMBY TABLE III Comparison of the time to maximum tetanic contraction and to one-half relaxation of the columellar muscle of 5° C-acclimated and 25° C-acclimated L. littorea at 10° C and at 25° C. Number of muscle preparations Acclimation temperature Mean time to peak tension * Mean time to j relaxation Test temperature t test for significance of difference between means in relaxation data at 10° C 4 5°C ± ± 10° C P < 4 25° C ± ± 10° C 5 5°C ± ±
. The Biological bulletin. Biology; Zoology; Biology; Marine Biology. 338 ROBERT JAY HAMBY TABLE III Comparison of the time to maximum tetanic contraction and to one-half relaxation of the columellar muscle of 5° C-acclimated and 25° C-acclimated L. littorea at 10° C and at 25° C. Number of muscle preparations Acclimation temperature Mean time to peak tension * Mean time to j relaxation Test temperature t test for significance of difference between means in relaxation data at 10° C 4 5°C ± ± 10° C P < 4 25° C ± ± 10° C 5 5°C ± ± 25° C 3 25° C ± ± 25° C * Estimated standard error of the mean. The time to maximum contraction was not significantly different, but the relaxation phase was significantly longer in the 5° C-acclimated muscles than in the 25° C- acclimated muscles. -H-2seconds B. before TTX I I recovery. 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 Marine Biological Laboratory (Woods Hole, Mass. ); Marine Biological Laboratory (Woods Hole, Mass. ). Annual report 1907/08-1952; Lillie, Frank Rattray, 1870-1947; Moore, Carl Richard, 1892-; Redfield, Alfred Clarence, 1890-1983. Woods Hole, Mass. : Marine Biological Laboratory
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