. The Biological bulletin. Biology; Zoology; Biology; Marine Biology. TENTACLE ACTIVITY 4 - 3- 2 - I - 0-L •GSH. i 9 i i i i i i 10 11 12 13 14 15 SAMPLE * FIGURE 5. Homogenate separation using gel filtration chromatography. Values in each scale are denned in the methods section. The GSH lines indicate the samples with at least 'A maximal response to 5 X 1(T4 reduced glutathione. Arrow indicates the beginning of the fractionated homogenate in the samples. n = 7. around the tentacles. When this occurred, mouth opening responses and tentacle concerts or writhing were also observed. Neither colum
. The Biological bulletin. Biology; Zoology; Biology; Marine Biology. TENTACLE ACTIVITY 4 - 3- 2 - I - 0-L •GSH. i 9 i i i i i i 10 11 12 13 14 15 SAMPLE * FIGURE 5. Homogenate separation using gel filtration chromatography. Values in each scale are denned in the methods section. The GSH lines indicate the samples with at least 'A maximal response to 5 X 1(T4 reduced glutathione. Arrow indicates the beginning of the fractionated homogenate in the samples. n = 7. around the tentacles. When this occurred, mouth opening responses and tentacle concerts or writhing were also observed. Neither columns nor hypostomes are required for stenotele discharge to be inhib- ited (Fig. 7). Both ablated hypostomes with tentacles and isolated tentacles displayed significant inhibition of stenotele discharge compared to controls (P = .001, both experiments, Wilcoxon Rank Sums). Similar results were found by Smith et al (1974) and Ruch and Cook (1984) using hypostomes and tentacles. Treatment of the base of tentacles with homogenate (Fig. 8, T,) resulted in a sig- nificant loss of stenotele discharge compared to the tentacle base of control animals (P = .003, Wilcoxon Rank Sums). Brine shrimp killing for the tips of the tentacles, which had not been treated, were not significantly different from their corresponding controls. After placing the base of the tentacles in fresh B VC solution for 1 h, stenotele. 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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