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...ioned and stained. Of the embryos and fetuses studied, 152 belonged to the Carnegie Institution Department of Embryology. The remaining specimens were from the ...s to Dr. G. L. Streeter for the use of the Embryo1ogical Collection of the Carnegie Institution and supplying figures 15, 16, and 17. I also wish to thank Pro

...the opinion of Veit that "ova" may continue to grow after the death of the embryo, but added that the existence of bare areas and the bunching of villi in so ...abortuses, not only believed that cellular proliferation can occur in the embryo after its death, but that either the lateral or the dorsal or ventral halve

* [[BGDA Lecture - Development of the Embryo/Fetus 2​​]] - 81,984 * [[BGDA Lecture - Development of the Embryo/Fetus 1​​]] - 55,564

...e show that although blood cell formation in its early stages in the human embryo and especially the yolk sac follows the same general lines as in other mamm ...y with the magma strands of the chorionic cavity. At the caudal end of the embryo these yolk sac mesodermal cells, which will give rise to the yolk sac mesen

.... Furthermore, in a preliminary study, we evaluated the capacity of canine embryo PGCs (30 dpf) to differentiate into EGCs. To confirm the canine EGCs phenot ===Primate Primordial Germ Cells Acquire Transplantation Potential by Carnegie Stage 23===

At the time the circulation begins in the chick, the embryo possesses a number of relatively large blood vessels. Thoma ('93) mentions ...ve capillary plexus which connects with the heart and dorsal aortae of the embryo. Quoting in part, she

...University of Chicago collection that were eventually contributed to the [[Carnegie Collection]]. ...would approximately between [[Carnegie stage 11]] (13 - 20 somites) and [[Carnegie stage 12]] (21 - 29 somites).

...pg|90px|left]] This historic 1931 paper describes an early human embryo, [[Carnegie stage 8]]. =A Young Human Embryo (Embryo Dobbin) with Head-Process and Prochordal Plate=

...25(Oh) D levels were evaluated amongst a group of woman who went for IVF. 182 women were recruited and of that 172 were included for analysis. Woman who ...ly 36-38 hours following injection of HCG. On day 3-5 after fertilisation, embryo was transferred and vaginal progesterone was used for luteal phase support.

==Carnegie Stages== ...ystem of 23 stages used to describe developmental events of the vertebrate embryo. At stage 10 we see early signs related to eye development. The table below

...logue.jpg|200px|alt=Orts Llorca Madrid embryo catalogue|Orts Llorca Madrid embryo catalogue|left]] ...ble us to draw the following conclusions. The truncus appears in the human embryo, between Stages XII and XIII, as a portion of the aortic sac which invagina

...mative cells, i.e., all the cells enter directly into the formation of the embryo's body. ...organforming areas which later enter into the formation of the body of the embryo; auxiliary or non-formative tissue has no part in its composition. All coel

25 mm embryo (Kardasewitch, ’27), a 182 JAMES L.

...y Atlas of the 13-mm. Pig Embryo. (Prefaced by younger stages of the chick embryo.) The Wistar Institute Press, Philadelphia, iv & 104 pp. Corner, G. W., 1915. The corpus luteum of pregnancy as it is in swine. Carnegie Inst., Contrib. to E-mbryoL, Vol. 2, pp. 69-94.

...n, F. D. 1963. Observations on the organizer areas of the human pre-somite embryo. Anat. Rec, 145, 199. ...LJ. 1930. Human tubal ova; related early corpora lutea and uterine tubes. Carnegie Instn. Wash. Publ. 414, Contrib. Embryoi, 22, 45-76.

The numerous contributions from the Carnegie Laboratory of Embryology on of development of the trophoblast and embryo. In the older specimens, the crownrump measurement has been used in the ass

Publications Issued by Carnegie Institution of Washington during No. 476 Contributions to Palseontology from Carnegie Institution of Washington. Miocene and Pliocene Floras of Western North Ame

...ranes and appendages, and the establishment of those relations between the embryo and the maternal organism which are such fundamental characteristics of the ...aternal uterine walls, and in the early and extensive relation between the embryo and this new source of nutrition.

Fuss, A. 1911. Uber extraregioniaire Geschlechtzellen bei einem Menschhchen Embryo von vier wochen. Anat. Am. 39, 407. Gregory, P. W. 1930. The early embryology of the rabbit. Carnegie Inst. Wash. Contrib. to Embryol. 21, 141.

Department of Embryology, Carnegie Institution of Washington, Baltimore, Maryland ...ovulationem, leaving only five and one-half days‘ actual development of the embryo to birth. The rate of development is compared with Eutherian mammals.