. The Biological bulletin. Biology; Zoology; Biology; Marine Biology. Figure 1. A. Scanning electron micrograph of freeze-fractured gill tissue, showing numerous bacteria (b) and empty vacuoles (v). Scale bar = 5 ^m. A higher magnification is illustrated in B, where bacteria are also visible beneath the freeze-fracture plane. Scale bar = 2 ^m. C. Transmission electron micrograph of the endosymbionts, which demonstrates their procaryotic structure, as noted by the nuclear region (n) and the lack of membrane-bound organelles. Arrow indicates vacuolar membranes surrounding a bacterium. Rarely is


. The Biological bulletin. Biology; Zoology; Biology; Marine Biology. Figure 1. A. Scanning electron micrograph of freeze-fractured gill tissue, showing numerous bacteria (b) and empty vacuoles (v). Scale bar = 5 ^m. A higher magnification is illustrated in B, where bacteria are also visible beneath the freeze-fracture plane. Scale bar = 2 ^m. C. Transmission electron micrograph of the endosymbionts, which demonstrates their procaryotic structure, as noted by the nuclear region (n) and the lack of membrane-bound organelles. Arrow indicates vacuolar membranes surrounding a bacterium. Rarely is there more than one bacterium per vacuole. Scale bar = nm. 450. 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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