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...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.

...and blastulation appear normal. However, gastrulation is abortive, and the embryo soon dies (Moore, '41, '46, '47). ===6. Relation of Early Cleavage Planes to the Antero-posterior Axis of the Embryo===

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.

...mative cells, i.e., all the cells enter directly into the formation of the embryo's body. ...ral margins of which are attached the non-formative, auxiliary cells (fig. 159, blastoderm-formative cells, periblast-non-formative; also figs. M5K, L; M7

...ed follicle, but which have usually completely disappeared by the time the embryo begins to implant in the uterus In some species true luteal cells are added ...esus i ith special reference to menstruation and pregnancy Cont ti Fmb rot Carnegie In i Hash 23 t-iGl — — and Corner G SS |ig47) Uemosal irf the corpus lu

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

...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

...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,

ribs in a 30-mm. CR embryo, for some cervical and upper and of the tympanic annulus of a 42—mm. CR embryo by Mall

...viously primitive character was seen in the thoracic cord of a 5—mm. human embryo, it seemed worth While to examine the suitable younger specimens available ...by grants from the Penrose Fund of the American Philosophical Society, the Carnegie Corporation of New York and the University of Pittsburgh.

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

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

...s thesis by Stewart describes development of the blood supply to the human embryo basal ganglia. =The Development of the Blood Supply to the Human Embryo Basal Ganglia=

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.

namely, is there a separate germinal plasm set apart in the early embryo which used to refer to those germ cells which possibly segregate early in the embryo,

...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

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

...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

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