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==Fig. 7.B. A human embryo of approximately 20 - 21 days of age== | |||
A cross section through the middle of a 20 - 21 day embryo. Note the enormous size of the yolk-sac containing blood islands Within its doublelayered wall. The embryo proper is the trilaminar mass between the yolk-sac and amniotic cavity and consists, from within outward, of primitive or gut entoderm, mesoderm and ectoderm. A portion of the chorion is seen below. Carnegie {{CE7545}}, section 6-2-2, X60. | |||
===References=== | |||
{{Ref-Hertig1946b}} | |||
{{Footer}} | |||
[[Category:Carnegie Embryo 7545]] | |||
Latest revision as of 17:10, 7 August 2017
Fig. 7.B. A human embryo of approximately 20 - 21 days of age
A cross section through the middle of a 20 - 21 day embryo. Note the enormous size of the yolk-sac containing blood islands Within its doublelayered wall. The embryo proper is the trilaminar mass between the yolk-sac and amniotic cavity and consists, from within outward, of primitive or gut entoderm, mesoderm and ectoderm. A portion of the chorion is seen below. Carnegie 7545, section 6-2-2, X60.
References
Hertig AT. lnvolution of tissues in fetal life: a review. (1946) Anat. Rec. 94: 96-116.
Cite this page: Hill, M.A. (2024, June 27) Embryology Hertig1946b fig07b.jpg. Retrieved from https://embryology.med.unsw.edu.au/embryology/index.php/File:Hertig1946b_fig07b.jpg
- © Dr Mark Hill 2024, UNSW Embryology ISBN: 978 0 7334 2609 4 - UNSW CRICOS Provider Code No. 00098G
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