. Anatomischer Anzeiger. Anatomy, Comparative; Anatomy, Comparative. 200. each side is also con- tinued into the meso- blast. Between the chorda-entoblast and darm - ento- blast, a diverti- culum of the ar- chenteron enters into the meso- blastic mass on each side. The di- verticula are not pro- duced by disruption or other accidents. They are natural: the section is as clear as it can be, and it is impossible to make any mistake of observation on this point. It seems to me that this section can have only one in- terpretation. It re- presents, as cle- arly as we can reasonably expect in a mero
. Anatomischer Anzeiger. Anatomy, Comparative; Anatomy, Comparative. 200. each side is also con- tinued into the meso- blast. Between the chorda-entoblast and darm - ento- blast, a diverti- culum of the ar- chenteron enters into the meso- blastic mass on each side. The di- verticula are not pro- duced by disruption or other accidents. They are natural: the section is as clear as it can be, and it is impossible to make any mistake of observation on this point. It seems to me that this section can have only one in- terpretation. It re- presents, as cle- arly as we can reasonably expect in a meroblastic egg, the mode of the mesoblast- development so well known in A m phioxus. In Amphioxus, the mesoblast bounding the diverticula of the ar- chenteron is a single layer of cells. In the adjoined figure, on the internal side of the left diverticulum the meso- blast is in a single. 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 Anatomische Gesellschaft. Jena : G. Fischer
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