File:Wislocki1920 plate 4.jpg: Difference between revisions
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==Plate 4== | |||
Fig. 13. Cat fetus, measuring 6.8 cm., surrounded by unruptured membranes, showing the coloration of the placenta and chorion after repeated injection of trypan-blue into the maternal circulation. Note that the chorion over the poles of the fetus is unstained. The allantoic and amniotic fluids do not contain a trace of dye and the fetus is unstained. | |||
Fig. 14. Placenta of cat, nearly full term, after repeated injection of trypan-blue into the maternal blood stream, showing the distribution of dye in the chorionic epithelium. | |||
Fig. 15. Placenta of a vitally stained cat, nearly full term, showing several multimiclear giant cells of the chorionic ectoderm filled with particles of trypan-blue. | |||
Fig. 16. Section of the "brown border" of the placenta of a cat, nearly full term, showing the absorption of erythrocytes and of trypan-blue by the chorionic epithelium. | |||
:[[Book_-_Contributions_to_Embryology_Carnegie_Institution_No.51|'''Links''']]: [[:File:Wislocki1920 plate 1.jpg|Plate 1]] | [[:File:Wislocki1920 plate 2.jpg|Plate 2]] | [[:File:Wislocki1920 plate 3.jpg|Plate 3]] | [[:File:Wislocki1920 plate 4.jpg|Plate 4]] | [[Book_-_Contributions_to_Embryology_Carnegie_Institution_No.51 Contributions No.51]] |
Revision as of 17:48, 27 December 2012
Plate 4
Fig. 13. Cat fetus, measuring 6.8 cm., surrounded by unruptured membranes, showing the coloration of the placenta and chorion after repeated injection of trypan-blue into the maternal circulation. Note that the chorion over the poles of the fetus is unstained. The allantoic and amniotic fluids do not contain a trace of dye and the fetus is unstained.
Fig. 14. Placenta of cat, nearly full term, after repeated injection of trypan-blue into the maternal blood stream, showing the distribution of dye in the chorionic epithelium.
Fig. 15. Placenta of a vitally stained cat, nearly full term, showing several multimiclear giant cells of the chorionic ectoderm filled with particles of trypan-blue.
Fig. 16. Section of the "brown border" of the placenta of a cat, nearly full term, showing the absorption of erythrocytes and of trypan-blue by the chorionic epithelium.
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