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* [[:Category:Florian Embryo Bi II|Florian Embryo Bi II]] 4–5 somites [[Carnegie stage 10]] * [[:Category:Florian Embryo Bi III|Florian Embryo Bi III]] 4–5 somites [[Carnegie stage 10]]

{{Carnegie No.20 Header}} Frontal section through the region of the ear in a human embryo 4 mm. long (Carnegie Collection, No. 588, slide 6, row 6, section 6). The section is 15 um thick

Department of EmbryologyThe Carnegie Institution Of Washington, Baltimore, Maryland ...empt was made to recover a specimen comparable to the youngest known human embryo.

...infiltrated decidua. That these chorionic vesicles both once contained an embryo, no embryologist will doubt. It is evident also that both were retained for ...of the thorax. The small nodule, which represents the only remnant of the embryo belonging to the larger chorionic vesicle, contains a large cavity, with th

...- 2,176 Uploaded files - 11,408 Page edits since Embryology was set up - 154,651 '''Views total 39,249,204''' (2,261,571) ...]]) 17:55, 22 December 2014 (EST) Added [[Model Embryo 7.5mm Movie 1|Human Embryo 7.5mm model]] (Stage 15) from the [[Blechschmidt Collection]]. Added draft

...c 1957 paper by O'Rahilly is a description of the development of the human embryo limb cartilage. ...4; Hagen, 1900; Lewis, 1902; Griifenberg, I905; Hesser, 1926). In a 27—mm. embryo, Schulin (1879) found that all the skeletal elements of the hand were ehond

...e, in which it opened in the naso-pharynx. In the development of the human embryo we see these three stages reproduced.<ref> See Professor J. E. Frazer, Lanc .... 151). The part of the adult face formed by each process is shown in Fig. 154.

...}</ref> Later in 1921 along with Mall published a review of abnormal human embryo development.<ref>{{Ref-Mall1921}}</ref> ...lips of the blastopore (in the late gastrula stage) to other parts of the embryo and found that as expected they differentiated into structures characterist

...Mall describes the human embryos in the collection that would become the [[Carnegie Collection]]. There is also a [[:File:1904 - Catalogue of the collection of [[Carnegie Collection]] | [[Carnegie Embryos]]

...e free to use our judgment in methods of fixation and preservation. If the embryo is perfectly fresh or possibly living, we use, of course, the most refined ...straight and other measurements and weights also are taken. The age of the embryo is estimated on the basis of weight, crown-rump, and foot length, and the e

...n most convenient, and probably most nearly correct, to rate the age of an embryo and the duration of pregnancy from the last menstrual period. However, from ...e rabbit is 30 days ; in the dog, 63 ; in the pig, 120 ; in the {{sheep}}, 154; — why should these animals grow slower at first than man? If the age of

...indicate the absence of pouches. Weller (30) described a two somite human embryo which according to his description possessed the first pharyngeal pouch. Th Corner (4) described the foregut of a 10-somite human embryo, as being compressed dorso-ventrally with the anterior end immediately unde

...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.

...onare Geschlechtzellen’ in the intestinal epithelium of a four~weeks human embryo. The supposed sex cells were disposed in such a way as to suggest an active ...considered to be germ cells in the lateral plates of mesoderm of a 2.3—mm. embryo, and as these plates were folded under the gut in 2.8-mm. embryos, the germ

...ovary after differentiation. The germinal ridge is first established in the embryo 9 days p.c., and the gonads are definitely difierentiated into ovaries or ...ed with the aid of a planimeter, and the average of the two gonads of each embryo was plotted on the accompanying graph (text-fig. 1). It can be seen from th

[[Image:CSt3.jpg|thumb|Human Blastocyst (Carnegie Stage 3)]] ...development. After this period the inner cell mass, which forms the entire embryo, will differentiate into embryonic germ layers with restricted differentiat

=Development of the Auricle in the Human Embryo= [[Book_-_Contributions_to_Embryology|Carnegie Institution of Washington - Contributions to Embryology]]

...d in a majority of gilts in which all of the uterus was removed except one embryo and its corresponding portion of uterine horn on the 12th day of pregnancy. The Corpus Luteum of Pregnancy As It Is in Swine. Carnegie Inst. Contr. Embryol. 5: 69.

...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

...human embryos in detail ([[:Category:Teacher-Bryce Embryo 2|Teacher-Bryce Embryo 2]]) and compares these two with the other known (named) human embryos of t =IV. The Development of the Vascular System in the Human Embryo prior to the Establishment of the Heart=