. The Biological bulletin. Biology; Zoology; Biology; Marine Biology. EFFECTS OF COPPER ON THE BARNACLE 445 planktonic stage, , the mid-thorax and the limb folds, none was found in the attached animals. The distribution of copper in cells underlying the carapace resembled that already described for planktonic cyprids exposed to a high ambient copper con- centration, both in the early phases where epidermal and cuticular layers are in normal contact and later when they become separated (Fig. 6a). C. Decorticated settlers Isolated particles of precipitated copper were seen in some sections o
. The Biological bulletin. Biology; Zoology; Biology; Marine Biology. EFFECTS OF COPPER ON THE BARNACLE 445 planktonic stage, , the mid-thorax and the limb folds, none was found in the attached animals. The distribution of copper in cells underlying the carapace resembled that already described for planktonic cyprids exposed to a high ambient copper con- centration, both in the early phases where epidermal and cuticular layers are in normal contact and later when they become separated (Fig. 6a). C. Decorticated settlers Isolated particles of precipitated copper were seen in some sections of normal animals in this stage. When the copper concentration of the medium was in- creased to 200 ppm, there was no increase in detectable copper in the parenchyma- tous sheath characterizing animals in this stage. In the enriched medium, how- ever, the cylindrical cell mass, previously described (Bernard and Lane, 1961), contained deposits of copper (Fig. 7b). These precipitates were confined to. 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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Keywords: ., bookauthorlilliefrankrat, booksubjectbiology, booksubjectzoology
