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Text Fig. 3. Teacher-Bryce Ovum No. 1. Surface plan of the lobule of decidua reconstructed from the sections

X 20. The spaces between the lines represent the total thickness of the sections on each slide with the extra sections from the “ series at intervals” preparation added. Gl. 1, 2, 3, 4. Mouths of glands in close relationship to the implantation cavity. The straight lines and splay mouths indicate that the glands have been stretched over the growing ovum. The faint lines passing from Gl. 1 to Gl. 2 indicate a shallow groove. The light circle near Gl. 1 shows the position and size of the aperture of entrance. The heavily outlined pearshaped area represents the blastocyst enclosing the two vesicles also heavily outlined. The oval one is arnnio-embryonic. Drawn to scale by J. H. T.

Figure Links: text-fig. 1 | text-fig. 2 | text-fig. 3 | text-fig. 4 | text-fig. 5 | plate 1 | plate 2 | plate 3 | plate 4 | plate 11 | fig. 17 | fig. 18 | fig. 19 | Teacher 1925 | Carnegie stage 5 | Carnegie stage 6
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Pages where the terms "Historic" (textbooks, papers, people, recommendations) appear on this site, and sections within pages where this disclaimer appears, indicate that the content and scientific understanding are specific to the time of publication. This means that while some scientific descriptions are still accurate, the terminology and interpretation of the developmental mechanisms reflect the understanding at the time of original publication and those of the preceding periods, these terms, interpretations and recommendations may not reflect our current scientific understanding.     (More? Embryology History | Historic Embryology Papers)

Reference

Teacher JH. On the implantation of the human ovum and the early development of the trophoblast. (1925) J Obst. Gynaecol. 31(2); 166-217.


Cite this page: Hill, M.A. (2024, June 22) Embryology Teacher1925 textfig03.jpg. Retrieved from https://embryology.med.unsw.edu.au/embryology/index.php/File:Teacher1925_textfig03.jpg

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© Dr Mark Hill 2024, UNSW Embryology ISBN: 978 0 7334 2609 4 - UNSW CRICOS Provider Code No. 00098G

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