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Fig. 14. A fine hydatiform villous tree in section

No. 367. X 10.

As shown in section in figure 14, some exceedingly fine hydatiform villous trees were found among the specimens in this group. Scaffoldings or frameworks, formed by the proliferating sycytium arising from the epithelium of the chorionic membrane, were also seen. Since syncytial buds were found far out on proliferations of trophoblast which capped the villi, and also in the center of trophoblastic nodules, the origin of the syncytium from the Langhans layer would seem to be exceptionally well illustrated. In some cases a detached hydatiform villus was fastened to two portions of the tube-wall. It is well to remember, however, that these attachments may have been gained, and indeed probably were gained, before the separation of the particular villus from the chorionic vesicle.


Plate 2: Fig. 12 | Fig. 13 | Fig. 14 | Fig. 15 | Fig. 16 | Fig. 17 | Fig. 18 | Fig. 19 | Chapter 4 Pathologic analysis


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Mall FP. and Meyer AW. Studies on abortuses: a survey of pathologic ova in the Carnegie Embryological Collection. (1921) Contrib. Embryol., Carnegie Inst. Wash. Publ. 275, 12: 1-364.

In this historic 1921 pathology paper, figures and plates of abnormal embryos are not suitable for young students.

1921 Carnegie Collection - Abnormal: Preface | 1 Collection origin | 2 Care and utilization | 3 Classification | 4 Pathologic analysis | 5 Size | 6 Sex incidence | 7 Localized anomalies | 8 Hydatiform uterine | 9 Hydatiform tubal | Chapter 10 Alleged superfetation | 11 Ovarian Pregnancy | 12 Lysis and resorption | 13 Postmortem intrauterine | 14 Hofbauer cells | 15 Villi | 16 Villous nodules | 17 Syphilitic changes | 18 Aspects | Bibliography | Figures | Contribution No.56 | Contributions Series | Embryology History

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current14:27, 24 November 2012Thumbnail for version as of 14:27, 24 November 2012843 × 648 (69 KB)Z8600021 (talk | contribs)==Fig. 14. A fine hydatiform villous tree in section== No. 367. X 10. :'''Plate 2''': Fig. 12 | Fig. 13 | [[:File:Mall_Meyer1921_fig14.jpg|Fig.