File:Oniscus murarius embryo.jpg

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Description FIG. 241. TWO LONGITUDINAL SECTIONS THROUGH THE EMBRYO OF ONISCUS MURARIUS. (After Bobretzky.) st. stomodeum ; pr. proctodeum ; hy. hypoblast formed of large nucleated cells imbedded in the yolk ; m. mesoblast ; vg. ventral nerve cord ; sg. supra- oesophageal ganglion ; li. liver ; do. dorsal organ ; zp. rudiment of masticatory apparatus ; ol. upper lip.
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https://archive.org/details/theworks02balfuoft/page/516/mode/2up?view=theater&q=blastoderm THE WORKS OF FRANCIS MAITLAND BALFOUR VOL. III

A TREATISE ON COMPARATIVE EMBRYOLOGY.
Author M. FOSTER, F.R.S., ADAM SEDGWICK, M.A.,

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current20:30, 2 March 2024Thumbnail for version as of 20:30, 2 March 20241,488 × 667 (1.13 MB)Rasbak (talk | contribs){{Information |description=FIG. 241. TWO LONGITUDINAL SECTIONS THROUGH THE EMBRYO OF ONISCUS MURARIUS. (After Bobretzky.) st. stomodeum ; pr. proctodeum ; hy. hypoblast formed of large nucleated cells imbedded in the yolk ; m. mesoblast ; vg. ventral nerve cord ; sg. supra- oesophageal ganglion ; li. liver ; do. dorsal organ ; zp. rudiment of masticatory apparatus ; ol. upper lip. |source=https://archive.org/details/theworks02balfuoft/page/516/mode/2up?view=theater&q=blastoderm THE WORKS OF F...

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