. The Biological bulletin. Biology; Zoology; Biology; Marine Biology. â HP'VJI ^H ^^^1 BBj^^^BMBj^^^B ^^^^^^^^^H|^P«T^, ^^^^^^^^Hii^ ^£3 ^^^^^H ^^IKhHJ^IBCa-*^ "^ <'^j^^^lHfc^j^j^W^^S5W^^^^^^^^^^^^^^^B â ^â ^^^^^E|^^^H F^H ^^^B Figure 6. Animal sacrificed after six hours. Folds of cardiac stomach (CS) and side lobes of the pyloric caeca (PC) are labeled. The gonad tissue, present throughout the central area of the section, shows peripheral labeling. Figure 7. Animal sacrificed after one day. The tissues of the pyloric stomach (PS), pyloric and median ducts (visible as broad white ban
. The Biological bulletin. Biology; Zoology; Biology; Marine Biology. â HP'VJI ^H ^^^1 BBj^^^BMBj^^^B ^^^^^^^^^H|^P«T^, ^^^^^^^^Hii^ ^£3 ^^^^^H ^^IKhHJ^IBCa-*^ "^ <'^j^^^lHfc^j^j^W^^S5W^^^^^^^^^^^^^^^B â ^â ^^^^^E|^^^H F^H ^^^B Figure 6. Animal sacrificed after six hours. Folds of cardiac stomach (CS) and side lobes of the pyloric caeca (PC) are labeled. The gonad tissue, present throughout the central area of the section, shows peripheral labeling. Figure 7. Animal sacrificed after one day. The tissues of the pyloric stomach (PS), pyloric and median ducts (visible as broad white bands), and rectal caeca (RC) are strongly labeled. Moderate levels of radioactivity are present in the gonads (G). The side lobes of the pyloric caeca are slightly labeled. Note distinct narrow bands of radioactivity over the peritoneal lining of the pyloric caeca (black arrowheads). Arrow points to slightly labeled axial organ. Figure 8. Same animal as in Figure 7, section taken more aborally to show labeling of gastric hemal tufts (arrow). Figure 9. Animal sacrificed after one day (other animal as in Figs. 7, 8). The folds of the cardiac stomach (CS) are strongly labeled. Moderate levels of radioactivity are present in the gonads (G) with highest levels near the stomach. White arrowhead indicates labeling of peritoneal lining of pyloric caeca; side lobes are labeled only very little. Labeling of the walls of the ampullae can be observed in the upper and upper right arm. Figure 10. Animal sacrificed after sixteen days. Folds of cardiac stomach (center) and gonads (G) are distinctly labeled. PC: pyloric 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 Rat
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