. The Biological bulletin. Biology; Zoology; Biology; Marine Biology. 330 WILLIAM L. DOYLE these strands single axons are distributed to the fibrous portions of the muscle cells (Fig. 6). Individual axons vary considerably in cross-sectional area (Fig. 4) and there are frequent expansions which may be rather empty or containing accumula- tions of mitochondria, lipid and dense-cored vesicles. Within the axons microtubules are preserved after glutaraldehyde fixation (Fig. 3) and are quite uniformly 260 A in diameter. A small amount of granular lipid is present. There is a variety of sizes of ves
. The Biological bulletin. Biology; Zoology; Biology; Marine Biology. 330 WILLIAM L. DOYLE these strands single axons are distributed to the fibrous portions of the muscle cells (Fig. 6). Individual axons vary considerably in cross-sectional area (Fig. 4) and there are frequent expansions which may be rather empty or containing accumula- tions of mitochondria, lipid and dense-cored vesicles. Within the axons microtubules are preserved after glutaraldehyde fixation (Fig. 3) and are quite uniformly 260 A in diameter. A small amount of granular lipid is present. There is a variety of sizes of vesicles in the axoplasm and rows of large ( to micron ) membrane-bounded bodies with a clear space surrounding a ' • N L F. M * **„'. 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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