. The Biological bulletin. Biology; Zoology; Biology; Marine Biology. NEREIS AMINE MICROSPECTROFLUORIMETRY 401 site of divergence of the cirral nerves, in small cells (10-15 /x) at the base of each cirrus (Fig. 6), faintly along the length of the cirral nerve and in a ring at the base of each antennal nerve (Fig. 7). No fluorescence was seen in this nerve distal to its base and none was found in the optic nerves, nuchal nerves, palpal nerves, tegumentary nerves or in the nerves serving the prostomial musculature. No yel- low fluorescence was seen in any part of the prostomium outside the cereb
. The Biological bulletin. Biology; Zoology; Biology; Marine Biology. NEREIS AMINE MICROSPECTROFLUORIMETRY 401 site of divergence of the cirral nerves, in small cells (10-15 /x) at the base of each cirrus (Fig. 6), faintly along the length of the cirral nerve and in a ring at the base of each antennal nerve (Fig. 7). No fluorescence was seen in this nerve distal to its base and none was found in the optic nerves, nuchal nerves, palpal nerves, tegumentary nerves or in the nerves serving the prostomial musculature. No yel- low fluorescence was seen in any part of the prostomium outside the cerebral gan- glion. Cyan fluorescent cells were also present in the dorsal prostomial epidermis, in cells which orient perpendicularly to the basement membrane directly above the base of the antennal nerves. They are similar in position and morphology to the fluorescent bipolar sensory cells described by Clark (1966) in Ncpthys and are probably located among the epidermal sensory cells (Smith, 1957), which in nereids constitute a part of a peripheral sensory system continuous with the antennal nerves. Various forms of autofluorescence were seen in the prostomium of TV. virens but, with the exception of one case described below, they did not interfere with spectral measurements. Q X max E 485-490 510 max I 450 I 500 550 600 FIGURE 8. Emission spectrum of Type IY yellow specific fluorescence in cerebral 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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