File:HamiltonBoyd1960 plate04.jpg
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Plate 4
Fig. 9. Photograph ( x 200) of a section through the deep central portion of the implantation site of the Barnes embryo; maternal tissue is on the right of the illustration. The intereommunicating lacunar spaces (L.S.) are shown surrounded by syncytial trophoblast. Uterine venous sinusoids (S.) communicate with these. A plug of syncytium can be seen in direct contact with the lumen of the uterine gland (G.).
Fig. 10. Photomicrograph (x 840) of a section through the primitive syncytium and adjacent oedematous endometrium in the Barnes embryo; maternal tissue is on the left of the illustration. Note the texture of the syncytial cytoplasm, a long stretch of which is devoid of nuclei. In the upper part of the figure there is an irregular projection of syncytium, containing a very large nucleus, into the endometrium; elsewhere the foetal-maternal junction is smooth.
Fig. 11. Photomicrograph ( x 636) of the foetal-maternal junction of the Barnes embryo. A mass of primitive syncytium is in direct contact with the lumen of a uterine gland (G.) in which secretion can be seen. The syncytium separates this lumen from a lacunar space (L.S.).
Fig. 12. Photomicrograph ( x 840) to show an opening of a venous sinusoid (S.) into a lacunar space (L.S.). Note the relations of the endothelium of the sinusoid to the syncytium.
Plates: 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13
Reference
Hamilton WJ. and Boyd JD. Development of the human placenta in the first three months of gestation. (1960) J Anat. 94(3): 297-328. PMID14399291 | PDF
Cite this page: Hill, M.A. (2024, April 27) Embryology HamiltonBoyd1960 plate04.jpg. Retrieved from https://embryology.med.unsw.edu.au/embryology/index.php/File:HamiltonBoyd1960_plate04.jpg
- © Dr Mark Hill 2024, UNSW Embryology ISBN: 978 0 7334 2609 4 - UNSW CRICOS Provider Code No. 00098G
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- Paper - Development of the human placenta in the first three months of gestation (1960)
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