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By A. M. Hain (Carnegie Research Fellow), The Institute of Animal Genetics, Edinburgh University, ...y defrayed by grants (to A.M.H.) from the Medical Research Council and the Carnegie Trust for the Universities of Scotland.

...lar pregnancy, gestational trophoblastic disease) using embryos from the [[Carnegie Collection]]. Some of these concepts are historic and have been updated wit ...nks:''' [[Abnormal_Development_-_Hydatidiform_Mole|Hydatidiform_Mole]] | [[Carnegie Collection]]

...90px|left]] [[Historic Embryology Papers]] | [[Embryonic Development]] | [[Carnegie Collection]] =Cyclopia in the Human Embryo=

...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

...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.

...use of the intrinsic nature of the subject, for the functions of which the embryo or fetus is capable at various times are determined by the growth of the ne ...representation, then, allows us to observe the general growth picture from embryo to adult, and gives us a basis upon which to establish a more detailed anal

...ch populate the cytoplasm adjacent to the pronuclei. g, Golgi complex. X 5,400. ...emely important because it implies that the mitochondrial endowment of the embryo is exclusively maternal in derivation.

...lation for 20 days did not maintain corpora lutea in intact lambs (up to 2,400 I.U. prolactin per day) or in lambs hypophysectomized on the day of ovulati ...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.

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

=A Human Embryo of Twenty-Four Pairs of Somites= ...] | [[Book_-_Contributions_to_Embryology|Contributions to Embryology]] | [[Carnegie stage 12]] | [[Week 4]]

...ants from the Penrose Fund of the American Philosophical Society, from the Carnegie Corporation of New York and from the University of Pittsburgh. ...ndogenous stimulation and remarked that if he had been able to observe the embryo under more favorable conditions before its circulation had been disturbed,

Koelliker (’7 9) has noted in a rabbit embryo of eleven days a close relation between the anterior end of the notochord a caudal surface of Rathke’s pouch. In a 4.5-mm. embryo he saw

Carnegie Institution of Washington ...n of data was made by the statistical staff of the Department of Genetics, Carnegie Institution of Washington (Cold Spring Harbor, Long Island), and by Mr. Wil

...an study. This embryo (Teacher-Bryce Ovum No. 1) was later classified as [[Carnegie stage 6]] {{Carnegie stage 6 links}}

embryo without the cooperation of the female, and whether the result is male enlarged compartment where the egg or developing embryo may be retained.

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.

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.

...some way this morphology of the egg is . related to the morphology of the embryo developed from the egg, and hence is called its promorphology. ,, ...materials in general related with the vegetative organs of the developing embryo.

...cribes the structure of the adult brain-stem. See also the series from the Carnegie Institution of Washington called [[Book_-_Contributions_to_Embryology|Contr Washington, D. C. Published by the Carnegie Institution of Washington 1914

...dly number of which have appeared from the Department of Embryology of the Carnegie Institution of Washington. ...elucidation of cytological features at a magnification greater than 300 or 400 times or by the application of special fixatives and differential stains.