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{{Carnegie No.20 Header}} ...No.20_part_7#Plate_1|figure 5]], which is taken from an embryo 4 mm. long (Carnegie Collection, No. 588). The section passes through the otic vesicle in its lo

...c) pregnancy embryos. This was an early publication in the series from the Carnegie Institution of Washington called [[Book_-_Contributions_to_Embryology|Contr ...agma determines, with considerable certainty, whether or not the contained embryo is normal or pathological. We are indebted to him for about a dozen papers

...int Louis University, Saint Louis, Missouri, and Department of Embryology, Carnegie Institution of Washington, Baltimore, Maryland ...identified by a number of external and internal characteristics, and each embryo at a given stage has a similar degree of organization and differentiation t

...c 1957 paper by O'Rahilly is a description of the development of the human embryo limb cartilage. ...4; Hagen, 1900; Lewis, 1902; Griifenberg, I905; Hesser, 1926). In a 27—mm. embryo, Schulin (1879) found that all the skeletal elements of the hand were ehond

[[File:Human Carnegie stage 10-23.jpg|thumb|300px|Carnegie Embryos]] ...collection numbering also incorporated the Blechschmidt embryo collection (Carnegie Nos. 10315-10434 ) in 1972, the collection embryos have now been returned t

...of the human embryo between Carnegie stage 19 to 23 in week 8 using the [[Carnegie Collection]] embryos. {{Carnegie stage 19 links}}

...psule. These human embryos are [[Carnegie Embryos]] and fetuses from the [[Carnegie Collection]]. ...ation of the Cavities in the Cartilaginous Capsule of the Ear in the Human Embryo=

==Appendix 1 - Embryos In The Carnegie Collection== The Carnegie specimens of stages 2-23 are listed in the following tables.

...t. This study used human embryos from the [[Harvard Collection]] and the [[Carnegie Collection]] ...n the development of the human adrenal cortex from its inception until the embryo has grown to a length of 20 mm. Special attention has been given to the gen

...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

...he caudal end of the spinal cord in human embryos using embryos from the [[Carnegie Collection]]. {{Carnegie Collection fetal table}}

=Development of the Auricle in the Human Embryo= [[Book_-_Contributions_to_Embryology|Carnegie Institution of Washington - Contributions to Embryology]]

==Peters's Embryo - Yolk-sac== ...that Peters's specimen has no allantois. In describing another very young embryo he had recorded that "as compared with the embryonic shield, the allantois

...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

=A Human Embryo of Twenty-Four Pairs of Somites= ...] | [[Book_-_Contributions_to_Embryology|Contributions to Embryology]] | [[Carnegie stage 12]] | [[Week 4]]

Hull Laboratory Of Anatomy, University Of Chicago, And The Carnegie Institution Of Washington, Laboratory Of Ernbryolagy, Baltimore ...which appeared in the medial wall of the cerebral hemispheres of the human embryo between the second and the fourth months was under debate from 1868 to 1904

...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.

...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}}

...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

...presents the direction of the first outgrowth of the cochlear pouch of the embryo. As shown by Streeter ('07) for the human, this first growth of the cochlea and the acoustic and facial nerves in the human embryo. Am. Jour.

...hyme cells is relatively low, as their origin from the basal region of the embryo might lead us to expect. This being the case, they are less affected by sli ...(Child, 16 c). According to Boveri ('01 a, '01 b) the apico-basal axis of embryo and larva coincides with the axis of the growing oocyte in Strongylocentrot

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

...) 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

...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.

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 (

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

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.

...esearch rooms" at Woods Hole wishes to acknowledge his indebtedness to the Carnegie Institution for the opportunities thus presented for the carrying on of thi ...behavior and reactions during every stage of development from the time the embryo left the q^^ membranes till it attained the adult condition, in its behavio

...e take place, as is shown in the caudal end of the Wolffian body of a deer embryo of 6.4 mm. (fig. 3), where the increased growth of one limb of the transver ...uricular canal, and the adult relations reproduce essentially those of the embryo. Hence their comihon histological characters in the adult and the intimate

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

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

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

...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

...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

...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

...e also points out that the systemic lymphatic development in the mammalian embryo is "by no means confined to the immediate environment of degenerating embry ...plexus. Most of the vessels composing the plexus lie longitudinally in the embryo along the line of the aorta and dorsal aortic roots, and out of this plexus

...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

...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.

...e from each and consequently no defects except in size would appear in the embryo. Experiments on later stages, however, indicate absence of localization as ...ved and the remaining one will develop into a perfectly normal but smaller embryo. Morgan- succeeded in producing such embryos and I have also been able to d

...and it is entirely possible that this region of the central cavity in the embryo was much more suggestive of the fourth ventricle. Judging from the adult al ...Tcr. and Dean that Polistotrema possesses well-developed ventricles in the embryo; the expansion being fully as great as in a similar stage of Petromyzon. As

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

food substances. Carnegie Institution of Washington, Publication ...ich was studied primarily by physicians to explain the growth of the human embryo, can likewise receive little attention in the medical school. These subject

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

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.

...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

...ems to be required for growth and development of the nervous tissue in the embryo. ...Institute for Medical Research. By cultivating in vitro parts of the chick embryo lens containing cells from the iris, a pure outgrowth of epithelial cells w

...he brain in some species; in others, it enters the ventral surface. In the embryo it is primarily con- nected with the lamina terminalis. It is therefore cal Demonstration in the human embryo of a dorsal olfactory nerve in addition to the ventral well-known olfactory

...inophilies, the fixed mesenchymal cells may also give rise to them. In the embryo, hematopoietic mesenchyme is widely distributed. In the adult the bone-marr ..., with a bearing on the embryology of the lymphatic system. Wash.. 1915. — Carnegie Inst.. Wash.. Publ. No.