. The Biological bulletin. Biology; Zoology; Biology; Marine Biology. SEA WATER L-HISTIDINE. .050 M L-HISTIDINE 50 100 MSC FIGURE 5. Responses of a pure chemoreceptor bundle to M L-histidine, showing effect of concentration on threshold and latency of two units. Widest excursion of upper trace indicates arrival of stimulus drop. C. antennarins. 3. Temporal characteristics of chemoreceptor responses. The usual time course of responses to effective chemical stimulants consists of attainment of maximum activity within the first second after stimulus application with a markedly slower dec
. The Biological bulletin. Biology; Zoology; Biology; Marine Biology. SEA WATER L-HISTIDINE. .050 M L-HISTIDINE 50 100 MSC FIGURE 5. Responses of a pure chemoreceptor bundle to M L-histidine, showing effect of concentration on threshold and latency of two units. Widest excursion of upper trace indicates arrival of stimulus drop. C. antennarins. 3. Temporal characteristics of chemoreceptor responses. The usual time course of responses to effective chemical stimulants consists of attainment of maximum activity within the first second after stimulus application with a markedly slower decline to half maximum in one to two seconds. Activity subsequently approaches the resting level more slowly with no obvious suggestion of stabilizing above rest level. As far as approximately the initial 10 seconds of the response are concerned, this pattern, well illustrated in the integrated records of Figure 1A, B, cannot be the consequence of the technique of stimulation, namely applica- tion of single drops of test solutions. Thus, in Figure ID the response curve in which seven drops of glycine are applied is virtually identical with the response. 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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