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

Carnegie Institution Of Washington, Department Of Embryology, The Johns Hopkins Univ in the embryo is controlled by a hormone,

...yolk. This substance contains the principal foodstuffs for the developing embryo. Studies on the yolk of the hen’s egg indicate that it contains water (50 ...ter chapters that the animal pole marks the anterior end of the developing embryo and the vegetal pole marks the posterior end. There is also reason to belie

...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

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,

...) stated that there are present in the developing islet cells of the sheep embryo minute safranophile granules. These have since been observed by Laguesse (' Pankreas beim nienschlichen Embryo. Arch, mikros. Anat., Bd. 64. Kyrle, J. 1908 Ueber die Regenerationsvorgang

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

...tion of the marsupial blastocyst with the trophoblast of the Eutheria, the embryo of the former, therefore, being without trophoblastic covering. ...on in similar conditions independently discovered by Patterson CIO) in the embryo of the Tatusia.

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.

Translation by Joat V Nonidu Carnegie Institution Wuhington Translation by Jos6 P. Nonidez Carnegie Institution of Washington

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

:Termination by resorption of the ovum, 34 — Death of the embryo with the formation of tubal mole, 34 — Tubal abortion, 34 — Rupture of ...ctopic pregnancy, 84 — Diagnosis of ectopic pregnancy, 85— The fate of the embryo in ectopic pregnancy, 87.

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.

Translation by Jos6 F. Nonidez Carnegie Institution of Washington 8 1917 The microscopic structure of striped muscle in Limulus. Pub. 251, Carnegie Institution of Washington, pp. 273-290.

A. In a salmon embryo after Furst. The position of the cell body. They share in its trophic functions, as is nerve of an embryo of

Fig. 1. Cephalic veins of a late embryo of Tropidonotus natrix, head 7.5 mm. long. X 24. After Grosser and Brezina, ...the jaw and runs dorsad on the lateral aspect of the pterygoid bone. In an embryo Lacerta Avith head 5.2 mm. long this vein is connected with the vena mandib

...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

...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

...o him the problem: If the spermatic fluid might stimulate the heart of the embryo in the process of fertilization, why might not other fluids produce the sam ...the diverse modifications which it undergoes, all the other organs of the embryo. '

the development of the embryo. pregnancv. Contr. EmbryoL, Carnegie Inst.