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...ples of the development of the systemic lymphatic vessels in the mammalian embryo 399 ...in E. Reinkb. Note on the presence of the fifth aortic arch in a 6 mm. pig embryo 453

...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

...IC SAC AND ITS TOPOGRAPHICAL RELATION TO THE TRANSVERSE SINUS IN THE HUMAN EMBRYO Department of Embryology, Carnegie Institution of Washington

University of Cincinnati Carnegie Institution ...ed by Vejdovsk}' in the intermediate stages (see his figures 182, 183, and 184), seems not to arise from the chromophilic material as he believed, but to

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

...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

...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 ...al cavity and in the pharynx, buds that resemble mature buds of the oldest embryo studied in all essential details except size. The later maturing of the tas

==On The Development Of The Blood-Vessels Of The Brain In The Human Embryo== ...teries had been injected with Prussian blue, which, together with numerous embryo pigs injected alive or immediately after death, form the basis of this stud

...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

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

2,184.000 2,184,000

...Whether or not the ganglion cells observed by Rubaschin ('03) in the chick embryo represent cells of the nervus terminalis is problematical. This writer desc In the human embryo Johnston found essentially the same central relations as in the pig, but th

Henry Denison. Note on Pathological Changes found in the Embryo Pig and its Membranes, with one figure 2.~3 ...sents a section taken through the anterior thoracic region of a 16 mm. cat embryo in which both azygos veins are of large

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

...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

P. E. Smith. The effect of hypophysectomy in the early embryo upon the growth and development of the frog. Ten figures 57 ...in to function, lymph begins to collect in the intercellular spaces of the embryo and, as we know, is subseciuently collected by a set of newly formed vessel

arrow indicates the direction of the axis of the future embryo, b, bristle. ...de of the blastoderm is away from the observer, and the axis of the future embryo is ill a diagonal position, as indicated in Fig. 1. These fig-ures (A of th

Sthrtevant, a. H. 1919 Inherited linkage variations in the second chromosome. Carnegie Inst., Wash;, publ. 278, pp. 305-341. Beckwith, C. J. 1908 The earH history of the egg and embryo of certain hyclroids. Biol. Bull., vol. 16, pp. 183-193.

184.6 2 184.3 (183.5-185.5)

...hem to enlarge and function. Again, that large venous network in the early embryo which is associated with the azygos vein and which later disappears may be ...pment of the lymphatics of the lungs of the embryo pig. Contrib. Embryol. (Carnegie Inst.), Wash., 1916, IV, 47.