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...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.

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

...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=

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

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,

...oker from the Penrose Fund of the American Philosophical Society, from the Carnegie Corporation of New York, and from the University of Pittsburgh. ...lar components in the thoracic portion of the spinal cord of a 55-cm. calf embryo. He corroborated the findings of Ramon y Cajal in general but declared tha

...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}}

...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

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.

...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

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

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

...s were fertilized and were in stages from the one-celled to the six-celled embryo. Five of the twentyfour sows mentioned were obtained before a method of dis ...ictured in her recent contribution to the early vasculogenesis of the pig (Carnegie Institution of Washington, Contributions to Embryology, No. 18, 1917).

...mparatively recent years three authors have been so fortunate as to obtain embryo monotremes, on the skull of which they have worked. Fig. 1. - ''Ornithorhynchus paradoxus''. Embryo delta. J. T. Wilson Coll. Ventral aspect of a model of the

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

...dly number of which have appeared from the Department of Embryology of the Carnegie Institution of Washington. ...generosity of Dr. Carl G. Hartman from the Department of Embryology of the Carnegie Institution. These three macaque monkeys (Macaca mulatta) were killed on th

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

...:l1lnt‘llse‘):(l-Jltelltlir hzziiid, are stiallrfgigalilllrilgef oliile T]-115 behavlor 1“ the ...act that it was once thought that a very large portion of each side of the embryo always originated from this ring in a manner to be described below (see con

112-115 days the development of the embryo.

{{Ref-Stockard1921}} Thirty-two text figures and six plates 115 ...) stated that there are present in the developing islet cells of the sheep embryo minute safranophile granules. These have since been observed by Laguesse ('