File:Keibel Mall 038-039.jpg: Difference between revisions
From Embryology
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Fig. 39 shows the embryo from in front. The amnion has again been removed; ventrally the relatively large yolk sack is seen. Of the embrjonic anlage only the ventrally bent portion, as far back as about the vertex bend, can be seen; but it may be observed that the most anterior portion of the brain anlage is relatively greatly developed. The medullary groove terminates a little behind the cranial end of the medullary aniage, so that the latter shows anteriorly a transverse ridge. Nothing is yet to be seen of the optic pits, the forerunners of the optic vesicles. | |||
[[Category:Embryo Klb]] | [[Category:Embryo Klb]] |
Revision as of 10:17, 27 September 2018
Fig. 38. and 39.
Fig. 39 shows the embryo from in front. The amnion has again been removed; ventrally the relatively large yolk sack is seen. Of the embrjonic anlage only the ventrally bent portion, as far back as about the vertex bend, can be seen; but it may be observed that the most anterior portion of the brain anlage is relatively greatly developed. The medullary groove terminates a little behind the cranial end of the medullary aniage, so that the latter shows anteriorly a transverse ridge. Nothing is yet to be seen of the optic pits, the forerunners of the optic vesicles.
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