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==Fig. 149. Five stages in the formation of the placenta in the mouse==
A, The blastocyst free in the uterus.
B, The blastocyst attached and the placental thickening of the a1lantoidean trophoblast developed (a.tr.).
C, Later stage, after elosure of the amniotic cavity (am.c.).
D, The foetal blood-vessels beginning to penetrate the allantoidean trophoblast.
E, Elaboration of the placenta. Disappearance of the distal Wall of the yolk-sac and omphaloidean trophoblast (o.tr.).
l’.u’., new uterine lumen on the antimesometrie side; l.u., original lumen of the uterus ; 3/.s., yolk-sac ; g/.st. yolkstalk ; u.c., umbilical cord; m., mesometrium.
{{Historic Disclaimer}}
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===Reference===
===Reference===
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[[Category:Mouse]]

Latest revision as of 14:06, 15 December 2016

Fig. 149. Five stages in the formation of the placenta in the mouse

A, The blastocyst free in the uterus.

B, The blastocyst attached and the placental thickening of the a1lantoidean trophoblast developed (a.tr.).

C, Later stage, after elosure of the amniotic cavity (am.c.).

D, The foetal blood-vessels beginning to penetrate the allantoidean trophoblast.

E, Elaboration of the placenta. Disappearance of the distal Wall of the yolk-sac and omphaloidean trophoblast (o.tr.).

l’.u’., new uterine lumen on the antimesometrie side; l.u., original lumen of the uterus ; 3/.s., yolk-sac ; g/.st. yolkstalk ; u.c., umbilical cord; m., mesometrium.


Historic Disclaimer - information about historic embryology pages 
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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

Jenkinson JW. Vertebrate Embryology. (1913) Oxford University Press, London.


Cite this page: Hill, M.A. (2024, June 18) Embryology Jenkinson1913 fig149.jpg. Retrieved from https://embryology.med.unsw.edu.au/embryology/index.php/File:Jenkinson1913_fig149.jpg

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13:59, 15 December 2016Thumbnail for version as of 13:59, 15 December 20163,025 × 1,897 (622 KB)Z8600021 (talk | contribs){{Historic Disclaimer}} ===Reference=== {{Ref-Jenkinson1913}} {{Footer}}