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...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

Department of Embryology, Carnegie Institution of Washington, Baltimore, Maryland, and Department of Zoology, ...rvated by the oculomotor. Bonnet (1901) likewise found, in a 16-somite dog embryo, a pair of mesodermal condensations derived from a medial mass of cells at

...the [[Harvard Collection|Harvard Embryological Collection (H.E.C.)]] and [[Carnegie Collection]]. ...ely communicating utricle, saccule, and endolymphatic duct of the 22.8—mm. embryo (fig. 1) are brought, at the 40—mm. stage (fig. 4) into the definitive an

...describes the development of the human sympathetic nervous system using [[Carnegie Collection]] embryos: {{CE460}}. ...cated, were made on human embryos included in the [[Carnegie Collection|'''Carnegie Embryological Collection''']]. It is a real pleasure to express my indebted

...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>

...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

...e show that although blood cell formation in its early stages in the human embryo and especially the yolk sac follows the same general lines as in other mamm ...y with the magma strands of the chorionic cavity. At the caudal end of the embryo these yolk sac mesodermal cells, which will give rise to the yolk sac mesen

...'''(6th ed.) Moore and Persaud Ch10: p230-233, Ch12: p280-282, Ch13: p319-347 :'''Links:''' [[Carnegie_stage_13_-_serial_sections|Stage 13 Sections]] | [[Carnegie stage 13]]

...description of the transitory cavities in the corpus striatum of the human embryo. =Transitory Cavities in the Corpus Striatum of the Human Embryo=

...y Atlas of the 13-mm. Pig Embryo. (Prefaced by younger stages of the chick embryo.) The Wistar Institute Press, Philadelphia, iv & 104 pp. Corner, G. W., 1915. The corpus luteum of pregnancy as it is in swine. Carnegie Inst., Contrib. to E-mbryoL, Vol. 2, pp. 69-94.

....jpg|90px|left]] This historic 1941 paper by Gilmour describes early human embryo blood formation. ....065 x 0.045 mm. Age about 16 days, probably slightly younger than Peters’ embryo (1899).

...of the lower axial skeleton and lower limbs using human embryos from the [[Carnegie Collection]]: {{CE2}}, {{CE22}}, {{CE45}}, {{CE62}}, {{CE109}}, {{CE144}}, [[Embryology History - Charles Bardeen|Charles Bardeen]] | [[Carnegie Embryos]]

...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

...ed follicle, but which have usually completely disappeared by the time the embryo begins to implant in the uterus In some species true luteal cells are added — — iiOtOfl The prediction < f the da> of bui la Amrr J Obsl Cyntt 56 347-351

:'''Links:''' [[Book_-_Contributions_to_Embryology|Carnegie Institution of Washington - Contributions to Embryology]] | [[Immune System ...eir function; a history of its development in many organs of the mammalian embryo and of its differences in pattern and extent in various animals ; and a fai

Department of Embryology, Carnegie Institution of Washington, Baltimore, Maryland ...ovulationem, leaving only five and one-half days‘ actual development of the embryo to birth. The rate of development is compared with Eutherian mammals.

...[[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

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

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

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.

...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

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

...gtjchi. Studies on the glandular cells of the frog's pancreas. Five plates 347 ...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

...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

are comparatively numerous in the embryo, and in the adult the resting A, From a 7 mm. embryo; B, from one of 26 mm.; ch,

...he retina. The structure of the retina of Phrynosoma cornutum. Six figures 347 Mabel Bishop. The nervous system of a two-headed pig embryo. Twenty figures 379

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

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

...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.

Staff Member, Department of Embryology, Carnegie Institution Of Washington. Baltimore. Maryland ...a.v pregnant; C, 51day castrate, (from D. W. Bishop, Am. J. Physiol., 187, 347-352, 1956a.)

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

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

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.

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

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

...) 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

...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. '

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

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.

University of Cincinnati Carnegie Institution Jour. Anat., vol. 26, pp. 347-421. Tello, F. 1912 Communicacion a la Sociedad Espanola de Biologia (quote

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

...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.

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

...r regions of the body. The sweat glands first make their appearance in the embryo in these regions. These areas also lend themselves readily to an extensive Contributions to Embryologj-, Carnegie Institution of Washington,

...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

...erning certain cytological characteristics of the erythroblasts in the pig embryo and the origin of non-nucleated erythrocytes by a process of cytoplasmic co ==The Development Of The Rectum In The Human Embryo==

St. Louis, Mo., 1917-18. iii. ,-i39-347. normal, living embryo or animal is most easily aecomplisheil

...tiation of heart muscle fibers in tissue cultivated in plasma. Two figures 347 ...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

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

...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

...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

...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.

...A study on the depth of penetration of ultraviolet light-ray energy in the embryo of the tadpole 323 ...gland form accessory glands. According to Keibel and ]\Iall, in the female embryo few glands are formed, three being the maximum number. These may undergo de

...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

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

...tem of Med., 1899, Vol, VI, 299. Spiegelberg: Virchows Arch., 1895, CXLII, 347, Borrmann : Deutsch. Arch, f, kl. Med., No. 59, p. 283. Sachs: Virchows Arc NaH2P04H.O 0.347

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

==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

...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

lloui.ii B I.Mivni:. The weights of the viscera of the turtle 347 ...minal viscera through the spinal column; "\'eraguth COl) described a human embryo with ectopia of the spleen and intestines. Finally, in 1917, Williams descr

...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

...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

respondingly low, 0.347 to 0.583 (except at seven days) for the sexes combined. In the sexes, separ 64.0 75.8 91.0 105.0 115.0 124.7 142.1 154.2 164.5 186.3 245.5 259.5 293.2 347.8

...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.

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

...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

...the earliest neuro-muscular responses to tactile stimuli in the amphibian embryo. During the season of 1907 these experiments were continued upon embryos of ...with a most important phase of behavior, namely, its very beginning in the embryo. If, for instance, there is any such thing as a ^'simple reflex," such as S

...er den Bau der Spinalganglienzellen bei einen viermonatlichen menschlichen Embryo. Arch. f. mikr. Anat., Bd. 59. 1901. ...ells through the following consistent explanation: while, in the course of embryo- logical development, the majority of ganglion cells become very much enlar

Carnegie Institution of Washington Director of the Department of Marine Biology of the Carnegie

...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

...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

...s R. Stockard. The artificial production of eye abnormalities in the chick embryo. Two plates 33 ...uming a defect in the absorption of the primitive right aortic arch in the embryo. Absorption occurs ordinarih' distal to the point of origin of the right su

Iv*\ K. Wai.i.in. .V teaching model of a 10 mm. pig embryo. Three figures. 295 J«ur... |{ ('aim l)n the ilevflopmenl of the lymphatics in the heart of the embryo pig 451 KiTii It^Nh I III the relation of the licad chorda to the pharyngea

...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 ...autonome Nervensystem. Arch. f. exper. Pathol, u. Pharmakol., 1910, LXIII, 347.