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...function of long noncoding RNAs (lncRNAs) and small RNAs during oocyte-to-embryo transition in mammals. LncRNAs are an assorted rapidly evolving collection ...miR-183) are differentially expressed in the CVG compared to NC and OV at Carnegie developmental stage {{CS13}}. We further identified transcription factors t

...iscovered the "Yale" embryo and was a member of the Carnegie Institute's [[Carnegie Collection|embryology department]] research group from 1932 to 1971 when sh ...were carried out in the [[Carnegie Collection|Department of Embryology]], Carnegie Institution of Washington at Baltimore.) Subsequent checking of the {{monke

...istoric human study. This embryo has been classified as [[Carnegie stage 7|Carnegie Stage 7]]. [[Carnegie stage 8|Carnegie Stage 7]]

...inus''). When care is exercised, mating may be observed and the age of the embryo, reckoned from the time of mating (insemination), determined with a fair de ...ctodermal node, the anlage of the primary embryonic ectoderm of the future embryo. This ectodermal node, so far as it extends into the cavity of the blastode

...thumb|alt=Primordial Germ Cell|Human embryo primordial germ cell region ([[Carnegie stage 9]])]] ...re xenotransplantable, generating colonies while not generating tumors." [[Carnegie stage 23]] | [[Stem Cells]]

...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

...phologically differentiated in samples at the end of the embryonic period (Carnegie stage {{CS23}}), and had grown linearly to more than eight times in size du ...miR-183) are differentially expressed in the CVG compared to NC and OV at Carnegie developmental stage {{CS13}}. We further identified transcription factors t

...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

...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 ...rmation of the Face by the Nasal, Maxillary and Mandibular Processes in an Embryo of the 6th week]]

...0 series and 12 dissected tonsillar regions from the [[Carnegie Collection|Carnegie Institution, Department of Embryology]], and 50 series and 19 dissected ton ...tance. I also wish to acknowledge the generous help of Dr. G. L. Streeter, Carnegie Institution of Embryology, in placing at my disposal abundant material.

...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

...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

...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=

==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

...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.

...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.

Acting Lecturer and Demonstrator in Anatomy, University College, London; tate Carnegie Research Fellow in Embryology, and Assistant in the Depariment of Anatomy, This stage is represented by one embryo 25 mm. in length, the cranial extremity of which has been reconstructed in

...atic system. Lymph hearts are present also in the tail region of the chick embryo. ...cal tubes begin to form, one set on either side of the median plane of the embryo (fig. 3 32 A and B). Simultaneous with the formation of these primitive, su

...after the 60 mm embryo stage|Plate 13. Placental structure after the 60 mm embryo stage.]] The numerous contributions from the Carnegie Laboratory of Embryology on implantation of the blastocyst and on placental

...evident as a protuberance (see His-Ziegler model of brain of 13.6mm human embryo). As the brain enlarges, the pallium envelops the basal ganglia and the tha ...23 154 F7 131 16 F8 134 164 F9 136 164 F10 152 18 Fu 162 19 F12 167 19 F13 182 204 Fu4 197 29 F15 210 23 F16 220 24 F17 246 27 F18 268 294 F19 280 314 F20

| These are links to other normal Carnegie Collection numbered embryos available on this educational site. {{Carnegie numbered embryo links}}

embryo (Heuser and Streeter, 1941 ; Hertig embryo extract prepared from 19- to 20day-old guinea pig embryos (Blandau and

...uation of the temporary arrangement was not granted by the trustees of the Carnegie Institution, and the original proposal lapsed. The independence of the Labo ...d egg slumbers potentially the future embryo. While we cannot say that the embryo is predehneated we can say that it is predetermined" — words almost preci

...deals of organization of the Laboratory. This was when the newly organized Carnegie Institution organization was generously offered by the Carnegie Institution.

...ernal appearance and dimensions suggest that it is a [[Carnegie stage 19]] embryo ([[Week 7]], 48 - 51 days, 16 - 18 mm). {{Carnegie stage 19 links}}

structural relationships between the developing embryo and the uterus. These comprise a succession of stages of placental metabolic demands of the developing embryo and fetus.

the embryo of the mouse and rabbit is lower embryo, until the sprouting of the primary

...ls sie stehenden Wirbelthieren, erseheinen aber aueh bei dem menselilieben Embryo nieht vor Ablauf der ersten beiden Monate nach der Bmpfangniss. ...it they communicate with the exterior by a common opening. In the 4.75-mm. embryo (fig. 7) the naso-hypophyseal invagination has shifted toward the dorsal si

...the card attached to the cage and gave the time from which the age of the embryo or respective stage was reckoned. The time given is, therefore, that of 'in ...the ectodermal node. It represents the anlage of the true ectoderm of the embryo, as may here be stated in anticipation of further description. In all of th

...ATION OF THE CAVITIES IN THE CARTILAGINOUS CAPSULE OF THE EAR IN THE HUMAN EMBRYO== Department of Embryology, Carnegie Institution of Washington, Baltimore,

...empt was made to destroy just enough tissue along the dorsal aspect of the embryo to insure complete elimination of the neural-crest material and leave the v ...rophotographically in figures 1 and 2, which are taken from sections of an embryo of the chick (14) ^ which was subjected to operation at the close of the se

the development of the embryo. 182

From the Department of Embryology, Carnegie Institution of Washington, Baltimore, Maryland ...ation of the cavities in the cartilaginous capsule of the ear in the human embryo. Amer. Jour. Anat., vol. 22.

are comparatively numerous in the embryo, and in the adult the resting A, From a 7 mm. embryo; B, from one of 26 mm.; ch,

...IC SAC AND ITS TOPOGRAPHICAL RELATION TO THE TRANSVERSE SINUS IN THE HUMAN EMBRYO Department of Embryology, Carnegie Institution of Washington

...Whether or not the ganglion cells observed by Rubaschin ('03) in the chick embryo represent cells of the nervus terminalis is problematical. This writer desc In the human embryo Johnston found essentially the same central relations as in the pig, but th

Staff Member, Department of Embryology, Carnegie Institution Of Washington. Baltimore. Maryland flagellum. Nature. London, 182, 1638-1640.

Aided by the Carnegie Institution. ...us structures in the wall of the cerebral vesicle and neural tube of a cat embryo undoubtedly relate to mitochondria.

...p. 1391. Corner, G. W. 1915 Corpus luteum of pregnancy as it is in swine. Carnegie ...ctomjr in relation to the secondary sex characters of some domestic birds. Carnegie Inst. Washington, 243. Hegar, K. 1910 Studien zur Histogenese des Corpus lu

...f the Scala tympani, Scala vestibuli and perioticular cistern in the human embryo. Nine figures 299 Embryo 12.84

...r H. Slifer, Insect development. If. Mitotic activity in the grassliopjier embryo. Two figures 013 ...trient organs, or pseudoplacenta, until shortly before birth. At birth the embryo is a little more than one-third the adult body length and bears strongly de

182 Carnegie Institution of Washington

University of Cincinnati Carnegie Institution Ruth Stocking Lynch. The cultivation in vitro of liver cells from the chick embryo. Twenty-five figures 281