File:Wislocki1920 plate 3.jpg: Difference between revisions
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Latest revision as of 10:46, 16 June 2013
Plate 3
Fig. 10. Section of the endodermal villi, the modified remains of the "inverted yolk-sac," heavily laden with pigment after repeated injection of a colloidal dye into the maternal circulation.
Fig. 11. Wall of the "inverted yolk-sac," showing the endodermal cells as they appear 24 hours after an injection of trypan-blue into the amniotic cavity. Fresh membrane slightly eounterstained with alum carmine.
Fig. 12. Section through placenta of guinea-pig fetus measuring 40 mm., showing a vitally stained macrophage 26 hours after injection of trypan-blue into the amniotic cavity'.
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