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...pment. The models include whole surface views as well as detailed views of embryo internal structures. ...sets were incorporated in 1972 into the [[Carnegie Collection]] (assigned Carnegie Nos. 10315-10434), but have since been returned to the University of Goetti

! width=100px|Embryo<br>no. | 200

...consist of histological sections, some with limited information about the embryo history. {{Embryo Collections}}

...is historic 1914 paper by Waterston describes a very early embedding human embryo. '''Carnegie Staging:''' A 27 somite stage embryo would be similar to a [[Carnegie stage 12]] (26 - 30 days), caudal neuropore closes, Somite Number 21-29.

[[Media:BGD2010-Embryo Lab 120510-306.mp3|listen Part 6]] | [[:File:BGD2010-Embryo Lab 120510-306.mp3|download]] (725 Kb MP3 5:49) Carnegie Stage 4 (stages 1-23 describing key steps in embryonic development) represe

[[File:Kyoto Embryo Collection - cover.jpg|200px|link=http://itunes.apple.com/us/book/id1143922 [[File:AvailableBook.png|150px|link=https://itunes.apple.com/au/book/kyoto-embryo-collection/id1143922693?mt=11]]

[[Carnegie stage 3]] ...eeding stage in development. It is to be remembered that at all stages the embryo is a living organism, that is, it is a going concern with adequate mechanis

* [[#Embryonic Stages (Carnegie)|Embryonic Stages (Carnegie)]] ** 101 to 200 mm

Trilaminar Embryo ...ve streak) turning the single layer into first 2 then 3 layers (trilaminar embryo).

...graphy also came into play, seen mainly associated with embryos within the Carnegie collection. [[File:Auzoux_model_workshop.jpg|alt=Auzoux embryo model workshop|400px]]

University of Chicago Embryo H279 was added to the Carnegie Collection as Embryo {{CE3709}}. [[Carnegie Collection]] Embryos used in this study {{CE836}}, {{CE3709}}, {{CE1878}} a

==Carnegie Stages== Historic [[Carnegie Stages]] 5 and 6.

...m9 cloacal membrane.jpg|alt=Carnegie stage 12 cloacal membrane|thumb|Human Embryo stage {{CS12}} cloacal membrane (SEM}]] ...end of the cloaca is the {{cloacal membrane}}, that also forms part of the embryo surface.

! 1910-30 Carnegie Stages | [[File:Human Carnegie stage 10-23.jpg|600px|link=Carnegie Stages]]

! 1910-30 Carnegie Stages | [[File:Human Carnegie stage 10-23.jpg|600px|link=Carnegie Stages]]

[[Carnegie stage 2]] ...er fixation, the diameter at stage 2 may be expected to lie between 75 and 200 μm.

# Embryo staging and collections ===Carnegie and Blechschmidt Models===

* If not spontaneous then, embryo has to be removed surgically * embryo may develop through early stages, can erode through the uterine horn and re

...ast cells (green), the inner cell mass which has formed into the bilaminar embryo ([[E#epiblast|epiblast]] and [[H#hypoblast|hypoblast]]) and the large fluid '''blue cells''' - [[E#epiblast|epiblast layer]] of the bilaminar embryo

...umb|300px|alt=Human embryonic cornea|Human embryonic cornea ([[Week 8]], [[Carnegie stage 22]])]] ...px|alt=Human embryonic cornea|Human embryonic cornea detail ([[Week 8]], [[Carnegie stage 22]])]]