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Fig. 18. Cross-section of a nodular cyema, showing simple structure

No. 6510. X10.

Although one would not suspect it from external appearances alone, this group of the pathologic is by far the most interesting. Some of these specimens show an astonishing simplicity in form and structure. Perhaps it was this fact which caused His (1891) to doubt whether they really were remnants of the whole embryo. His query is justified by the form and microscopic structure of many of them, as is so well illustrated by Nos. 2288, 1369, and 651#, shown in figures 16, 17, 18.


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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current15:30, 24 November 2012Thumbnail for version as of 15:30, 24 November 2012619 × 605 (62 KB)Z8600021 (talk | contribs)==Fig. 18. Cross-section of a nodular cyema, showing simple structure== No. 6510. X10. :'''Plate 2''': Fig. 12 | Fig. 13 | [[:File:Mall_Meyer1921