. The Biological bulletin. Biology; Zoology; Biology; Marine Biology. WASH. l-'iurKE 3. Demonstration that decay of chemoreceptor response is not due to fatigue of electrically excitable receptor elements. See text for details. C. antennarius. adapts considerably more readily than the mechanoreceptive element. This aspect of chemoreceptor activity is discussed in more detail below. 2. Prevalence ami distribution of chemosensory units. The percentage of preparations responsive to 717 glycine in the entire experimental series is presented in Table I, from which it is evident that amino acid
. The Biological bulletin. Biology; Zoology; Biology; Marine Biology. WASH. l-'iurKE 3. Demonstration that decay of chemoreceptor response is not due to fatigue of electrically excitable receptor elements. See text for details. C. antennarius. adapts considerably more readily than the mechanoreceptive element. This aspect of chemoreceptor activity is discussed in more detail below. 2. Prevalence ami distribution of chemosensory units. The percentage of preparations responsive to 717 glycine in the entire experimental series is presented in Table I, from which it is evident that amino acid-sensitive units are common on all pereiopods of both C. prudnctits and C. antennarius. The fre- quency of successful preparations is probably unrealistically low in the case of C. product us since most failures to demonstrate chemoreceptors in that species involved only five crabs in which chemoreceptors were not evident in any limb. Few data regarding chemosensitivity of chelipeds have been obtained because their size makes them awkward to prepare for recording. Tt can only be re- ported that both of two chelipeds of C. antennarius which were tested \vere responsive to .17 glycine, the only substance tested. Chelipeds have been shown behaviorally to mediate feeding responses to several amino acids (Case and <J william, 1961; 1963). Undoubtedly chemoreceptors are not confined to the dactylopodites. This. 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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