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[[File:Stage 22 image 223.jpg|thumb|Aorta filled with red blood cells ([[Carnegie stage 22]], [[Week 8]])]] ...ells to different organs ({{liver}}, {{spleen}} and {{thymus}}) within the embryo and fetus. In the adult, these stem cells are located in the {{bone marrow

===History of the use of the Mouse Embryo Model=== ...(Hendrich et al. 2004). During the twentieth century, the use of the mouse embryo in particular, has increased significantly, and continues to be a popular e

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

...l the cytoplasm is divided into two giving nse to a two cell st ige of the embryo or ovum (Fig 28B and C) Each of the daughter cells contains an equal number ...stage stage F —eight cell stage ( \fter Lev is and Hartman 1933 ) of tf e Carnegie Institution of Washington y c *00

embryo. ==Embryo==

Carnegie Institution of Washington - Year Book No. 37 Published By Carnegie Institution Of Washington

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,

=Transformation of the Aortic-Arch System during the Development of the Human Embryo= ...he arterial system of a 22-somite embryo ([[:Category:Carnegie Embryo 2053|Embryo No. 2053]], length 3 mm).]]

...emely important because it implies that the mitochondrial endowment of the embryo is exclusively maternal in derivation. ...onsidering the possibility that fertilization of a polar body, followed by embryo development, may take place (57).

...of the internal carotid artery is, of course, the third aortic arch of the embryo. 2) It is supplied by a very characteristic branch of the ninth or glossoph Fig. 1 Calf embryo; 14-mm. reconstruction drawing of the region of the carotid body.

...storic 1922 paper by Doan is a description of the development of the human embryo bone marrow. :'''Links:''' [[Book_-_Contributions_to_Embryology|Carnegie Institution of Washington - Contributions to Embryology]]

...ablation of the corpus luteum upon embryos and uterus. Am. J. Physiol. 86, 74. Fuss, A. 1911. Uber extraregioniaire Geschlechtzellen bei einem Menschhchen Embryo von vier wochen. Anat. Am. 39, 407.

...e, it was nevertheless apparent that a venous injection of the body of the embryo was often produced, and the impression was gained that a communication exis ...om the mouth, reaching it by way of the Eustachian tube. Using, in the pig embryo, the heart as the mechanism for injecting the ink, extravasation from the c

...he total number of somatic segments represented in the average ii mm human embryo (the time of maximum number) is 42 to 44 (fit, 391) The first occipital (Ar In a human embryo of about 5 mm the cells of the ventro-medial portion of, for example, the f

...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

...the early development of the neural folds and sensory anlagen of the human embryo. ...ez and Evans’ (’25) significant monograph on “The development of the human embryo during the period of somite formation, including embryos with 2 to 16 pairs

...ing a number 0f [[Carnegie Collection]] embryos. Note in addition to the [[Carnegie Stages]] (horizons) the term "stage" is used within this paper to describe Department of Embryology, Carnegie Institution of Washington, Baltimore; Division of Neurologicall Surgery, Un

...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}}

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

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

...Surgeons’ Hall, Edinburgh ; Hon. Fellow, American Gynecological Society ; Carnegie Research Fellow. Fig. 1. — T.S. embryo, Macropus rujicollis ; Wolffian bodies and testes in abdomen. ({.)

...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=

...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.

site of a developing ovum. (From Carnegie Institution, No. C467.) coUiculi. (From Carnegie Institution, No. C713.)

Washington, D. C. Published by the Carnegie Institution of Washington Carnegie Institution Of Washington, Publication No. 142

WASHINGTON, D. C. Published by the Carnegie Institution of Washington 1911 Carnegie Institution of Washington, Publication No. 142

...as those used in the study of the nucleus dorsalis (Hogg, "44, table 1, p. 74). The silver methods used were those recommended by Ranson (’11) and ‘B ...oker from the Penrose Fund of the American Philosophical Society, from the Carnegie Corporation of New York, and from the University of Pittsburgh.

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

...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

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

...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

...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

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.

...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 ...mass (epiboly). From Kellicott (General Embryology). After 0. Hertwig. e. Embryo. gr. Posterior margin of the germ ring. y. Yolk mass. 1, 2, 3, 4, successiv

...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

...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

...h he believed was the essential element in that it contained the preformed embryo in an intangible way. That is, the sperm animalcule of the ram contains a l ...kes the forward swimming movement possible is the flagellum or tail (figs. 74, 77, 78, 79). A two-tailed sperm or one in which the flagellate mechanism i

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

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

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.

...bit and in the great omentum of the cat, and independently by Schaefer 10 (74) in the subcutaneous tissue of the new-born rat, and subsequently confirmed ...that described for other hemopoietic organs, e.g., yolk-sac of 10-mm. pig embryo, 5 yolk-sac of mongoose embryos, 6 and red bone-marrow. 7

: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.

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

74 0.74

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

Staff Member, Department of Embryology, Carnegie Institution Of Washington. Baltimore. Maryland T locus. J. Morphol., 74, 131-187.

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

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

15, 23, 26, 32, 37, 39, 44, 47, 48, 50 to 54, 64, 65, 70, 72 and 74. Fig. 23 Caudal end of a bo nun. Alustelus embryo. Note that the pores of