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...in the embryo as at birth, but the deformities of the head and neck of the embryo are of such a nature that it can not survive long enough to admit of compar ...xomphaly. Other anomalies, however, are more difficult to recognize in the embryo as sharply defined malformations.

In young shark embryos, such as the 3-4 mm. embryo of Squalus acanthias, and in amphibian embryos of the early post-gastrular ...us venosus and the anterior extremity of th( potential liver region of the embryo. (A-1) Diagram of the initial stage of separatior of the pericardial and pe

the developmental history of the embryo into the background of the physiological changes in ...increase is mamly due to the increase in the number of illustrations from 364 to 433 A large number of photo micrographs have been added and many of the

[[File:Stage_22_image_217.jpg|thumb|300px|Cerebrum development human embryo (week 8, Stage 22)]] | {{Embryo logocitation}}

...enty years An attempt has been made to ht the developmental history of the embryo into the background of the physiological changes in the maternal organism a ...nty years. An attempt has been made to ht the developmental history of the embryo into the background of the physiological changes in the maternal organism a

...ine editor has replaced the traditional Roman numeral used in the text for Carnegie staging with a number link to that stage online information. {{Carnegie stage table 1}}

...in the embryo as at birth, but the deformities of the head and neck of the embryo are of such a nature that it cannot live long enough to admit of comparison ...r, are more difficult to recognize as sharply defined malformations in the embryo.

...ube with two dilatations: one represents a ruptured chorionic sac with its embryo still inside: the other sac was unruptured, entirely distinct from the firs ...a tubal pregnancy described by Mall ('15) and ]\Ieyer ('20), listed in the Carnegie collection as no. 825 (fig. 2). Externally the tube bore a single swelling

...e free to use our judgment in methods of fixation and preservation. If the embryo is perfectly fresh or possibly living, we use, of course, the most refined ...straight and other measurements and weights also are taken. The age of the embryo is estimated on the basis of weight, crown-rump, and foot length, and the e

The measurements of the embryo are as follows: C.R., crown-rump or sitting height; C.H., crown—hee1 or s <div id="Carnegie Embryo 6"></div>

...logue.jpg|200px|alt=Orts Llorca Madrid embryo catalogue|Orts Llorca Madrid embryo catalogue|left]] ...ble us to draw the following conclusions. The truncus appears in the human embryo, between Stages XII and XIII, as a portion of the aortic sac which invagina

...time when the contractile substance begins to be laid down, but in the pig embryo, according to Bardeen (1900), the musculature is differentiated to a consid ...of certain groups of muscles. The nervus oculomotorius enters in the early embryo a common muscle mass which later splits into various eye muscles supplied b

...one-third of the egg seems to be necessary for the development of a whole embryo. ...h two embryonic primordia and bearing in mind the mode of formation of the embryo as established (particularly for the teleosts) by several authors and notab

=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).]]

...[[Carnegie stage 22|Streeter’s Horizon XXII]]), and EH 377, 31.5 mm C-R ([[Carnegie stage 23|Streeter’s Horizon XXIII]]). Both of these embryos had been cut '''Fig. 1''' Ventrocephalic aspect of heart of 31.5 mm embryo showing the superficial cardiac vessels. The arch of the aorta has been rep

...[[Carnegie stage 22|Streeter’s Horizon XXII]]), and EH 377, 31.5 mm C-R ([[Carnegie stage 23|Streeter’s Horizon XXIII]]). Both of these embryos had been cut '''Fig. 1''' Ventrocephalic aspect of heart of 31.5 mm embryo showing the superficial cardiac vessels. The arch of the aorta has been rep

...e production a costly one, and we desire to express our obligations to the Carnegie Trust of the Scottish Universities for giving us a grant towards the expens ...mesodermic connecting-stalk (Ha/tstiel), through which the vessels of the embryo and chorion are connected without the medium of an allantois ; the yolk sac

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.

...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]]

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

...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}}

...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 ...rged capsule is soon formed which assumes the size and shape of the future embryo at the time of hatching (fig. 123). (See Tavolga, '50.) In the brook lampre

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

...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 ...of mesenchymal 'angioblasts' in the living blastoderm of the two-day chick embryo grown in Locke's solution, by which the blood-vessel lumen forms. But these

Literary Notices 364 ...bryos were arranged accord- ing to measurement rather than age. The oldest embryo of the first series was 9.4 mm. in length, and the later series were select

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

Embryo: nine to fourteen days’ incubation 12 ...nd. The realiza- tion of the expectation of finding cortical tissue in the embryo- logical stages of the right ovary was previously anticipated by Willier (

...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

...) 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

...probably for the carotids." Thus the evi ' See the figures of the skull in embryo marsupials, edentates, insectivores, etc., as figured by Broom, Parker and ...n so far as they lie between the pterygoids and the quadrates. Likewise in embryo mammals the cartilaginous alae temporalis are interpreted by Broom ('09) as

...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. '

Howard Brown Stough. Modified mitosis in the chick embryo. Eight plates (sixty figures) 535 1. The embryo of the chick develops in its own egg entirely apart from the mother. For th

...idently would have shown less conformity if they had been obser\^ed in the embryo stage. (JSTewmann's Fig, 38.) ...commonly occurs to a greater or less extent during the development of the embryo. The sand was spriid^led with water as often as necessary. It was not neces

University of Cincinnati Carnegie Institution ...}' all investigators (Negri, '00; v. Bergen, '04, p. 533; Bensley, '11, p. 364; Kolster, '13; Cajal, '14, p. 169, and others). The same generalization als

0.570 0.364 0.165 ...IC SAC AND ITS TOPOGRAPHICAL RELATION TO THE TRANSVERSE SINUS IN THE HUMAN EMBRYO

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

...ennent have made experiments in which the paternal influence in the hybrid embryo was diminished. Tennent states that in the cross between Hipponoe and Toxop ' Tennent, Publication 132, Carnegie Institution, 1910.

a. Chromosomes in the embryo 3 a. Chromosomes in the embryo

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.

C. W. M. PoYXTER. Some observations on wound healing in the early embryo. Twelve figures ...nd Atterbury. Bursa and tonsilla pharyngea; a note on the relations in the embryo calf. Eight figures 251

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.

12. Osborne, T. B., and Mendel, L. B.: Publications of the Carnegie Institution of Washington, 1911, Bull. No. 156. ...lsulphonephthalein) and Colloids {Trypan Blue) Injected into the Mammalian Embryo. By George B. Wisiocki

normal, living embryo or animal is most easily aecomplisheil conditions of the embryo. Occasionally one finds here and

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

Mabel Bishop. The nervous system of a two-headed pig embryo. Twenty figures 379 1.364

...ent peculiarly favorable m.aterials for studies of this character, for the embryo becomes functional at a very early stage of differentiation, in this respec ...m of response to any sort of excitation applied to the trunk region of the embryo, viz., a swim,ming reaction, and the same neurones are involved throughout

Fig. 23 Caudal end of a bo nun. Alustelus embryo. Note that the pores of canals of the head. In a 36 mm. embryo the lateral sensory

The youngest embryo in which any of the air-sacs appear as In the same embryo may be seen the first indication of the

...hns Hopkins University and Director of the Department of Embryology of the Carnegie Institution of Washington. We who in thought lingered at his bedside during ...ion, the directorship of the newly created Department of Embryology of the Carnegie Institution of Washington. The University of Michigan honored him and honor

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