. The Biological bulletin. Biology; Zoology; Biology; Marine Biology. 494 H. E. LEHMAX was noted in which a mesenchyme cell assumed the typical, pseudopod-free, spheri- cal, character of those cells which originated in the blood stream. A final considera- tion which should be kept in mind in attempting to compare the results from T. torosus and Xenopus laevis is the importance of genetic differences which may well play a very significant part in restricting the developmental capacities and behavior properties of macrophages in the two species. One additional observation on macrophage behavior


. The Biological bulletin. Biology; Zoology; Biology; Marine Biology. 494 H. E. LEHMAX was noted in which a mesenchyme cell assumed the typical, pseudopod-free, spheri- cal, character of those cells which originated in the blood stream. A final considera- tion which should be kept in mind in attempting to compare the results from T. torosus and Xenopus laevis is the importance of genetic differences which may well play a very significant part in restricting the developmental capacities and behavior properties of macrophages in the two species. One additional observation on macrophage behavior in Xenopus is included at this time even though it is only indirectly related to the foregoing question of macro- phage determination following ingestion of cytoplasmic particles. This concerns differences in the response of nucleated and non-nucleated melanophore fragments to the influence of the hormone intermedin. It was noted that within two or three hours after an expanded melanophore was cut, the influence of injected intermedin to a large measure disappeared (Figs. 2A—B). The nucleated half along with the great majority of host melanophores underwent a contraction of granules into a dense mass around the nucleus. The non-nucleated fragments showed less tendency. 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


Size: 2110px × 1184px
Photo credit: © Library Book Collection / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: ., bookauthorlilliefrankrat, booksubjectbiology, booksubjectzoology