. The Biological bulletin. Biology; Zoology; Biology; Marine Biology. 214 WESLEY R. COE flame cells (Fig. 12, A; Fig. 17, B) imbedded in gelatinous parenchyma in close proximity to a blood space. Slender end canals from the flame cells lead to profusely branched collecting tubules and thence to a single thick-walled longitudinal canal on each side of the body. One or more slender efferent ducts lead from the longitudinal canal to the exterior of the body (Fig. 17, B). Occasionally, also, some of the efferent ducts open into the esophagus (Coe, 1906). In such a system the ciliary action of the


. The Biological bulletin. Biology; Zoology; Biology; Marine Biology. 214 WESLEY R. COE flame cells (Fig. 12, A; Fig. 17, B) imbedded in gelatinous parenchyma in close proximity to a blood space. Slender end canals from the flame cells lead to profusely branched collecting tubules and thence to a single thick-walled longitudinal canal on each side of the body. One or more slender efferent ducts lead from the longitudinal canal to the exterior of the body (Fig. 17, B). Occasionally, also, some of the efferent ducts open into the esophagus (Coe, 1906). In such a system the ciliary action of the flame cells may withdraw fluids from the surrounding parenchyma and thence from the contiguous. A FIG. 17. Diagrams showing comparison between a simple metanephridium (A) of Cephalothriv and the multiple protonephridium (B) more typical for the nemerteans; con, convoluted tubule; ct, collecting tubule; cbl, epithelial lining of blood lacuna ; Ic, main longitudinal canal; ned. efferent duct; ncf>, nephridiopore, to, terminal 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