. The Biological bulletin. Biology; Zoology; Biology; Marine Biology. FINE STRUCTURE OF THAIS OSPHRADIUM 317 secretory vesicles produced by the surrounding non-ciliated cells present in the ventral region of the lamellae (Fig. 8). All cilia observed by TEM, regardless of location, were of the 9X2 + 2 fibril arrangement. Cilia were traced distally in many sections and no deviation from the 9X2 + 2 arrangement was observed. Nerve tracts were located in the central region of the lamellae but no axons or synapses bridging the basal lamina were observed. Vital staining Selective staining of individ
. The Biological bulletin. Biology; Zoology; Biology; Marine Biology. FINE STRUCTURE OF THAIS OSPHRADIUM 317 secretory vesicles produced by the surrounding non-ciliated cells present in the ventral region of the lamellae (Fig. 8). All cilia observed by TEM, regardless of location, were of the 9X2 + 2 fibril arrangement. Cilia were traced distally in many sections and no deviation from the 9X2 + 2 arrangement was observed. Nerve tracts were located in the central region of the lamellae but no axons or synapses bridging the basal lamina were observed. Vital staining Selective staining of individual receptor cells is shown in Figures 9-12. Epithelial cells present in the region ventral to the groove and along the ventro-lateral tract of. Figures 9-12 Ruorescent light micrographs of Procion Brilliant Yellow stained material. Figure 9 Low magnification of osphradial leafiets. D dorsal; V ventral. Figure 10. Procion-positive cells (RC) at ventral tip of lameUa. CR^entral region; Nt-nerve tract. Figure 11. Procion-positive cell (RC) m mterlamellar region FIGURE 12. Example of a Procion-positive cell (RC) at ventral or distal region of 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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