. The Biological bulletin. Biology; Zoology; Biology; Marine Biology. 1 2 3 Time (sec). Figure 1. Bioluminescence produced by excised Gaussia princeps abdominal preparations. The ventral nerve cord at abdominal segment 1 was electrically stimulated with single 10-70 V square wave pulses. (A| Photomultiplier record of a slow flash. Mean flash latency is 109 ms. (B) Image intensified video frame of the abdominal anal segment papilla and caudal rami luminous cells. Luminescence is produced exclusively external to the cuticle. Scale = 100 jjm. ap, anal papilla; cr. caudal rami; lu. luminous secret
. The Biological bulletin. Biology; Zoology; Biology; Marine Biology. 1 2 3 Time (sec). Figure 1. Bioluminescence produced by excised Gaussia princeps abdominal preparations. The ventral nerve cord at abdominal segment 1 was electrically stimulated with single 10-70 V square wave pulses. (A| Photomultiplier record of a slow flash. Mean flash latency is 109 ms. (B) Image intensified video frame of the abdominal anal segment papilla and caudal rami luminous cells. Luminescence is produced exclusively external to the cuticle. Scale = 100 jjm. ap, anal papilla; cr. caudal rami; lu. luminous 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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