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| <center>77</center> ! width=100px|Embryo<br>no.

...re are also sets of [[Carnegie stage 22 - selected serial sections]] and [[Carnegie stage 13 - serial sections]]. | [[:File:Stage 22 image 077.jpg|77]]

See also [[Carnegie stage 20#Events|'''Carnegie stage 20 Events''']] {{Carnegie stage 20 links}}

The embryo is now 0.4 mm diameter in size. The initial images are displayed unlabeled to allow you to explore the embryo for yourself, linked labeled versions are also available for some images.

...}</ref> Later in 1921 along with Mall published a review of abnormal human embryo development.<ref>{{Ref-Mall1921}}</ref> ...lips of the blastopore (in the late gastrula stage) to other parts of the embryo and found that as expected they differentiated into structures characterist

...ng the ""Biggart" [[Carnegie stage 7]] and the younger "Macafee" embryo [[Carnegie stage 5]]. {{Carnegie stage 5 links}}

[[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

=Notes on Irregularities of Ovogenesis and Abnormal Development of the Embryo in Cavia= ...f deviations from the normal in the early stages in the development of the embryo of Cavia. These specimens were obtained during a series of investigations o

...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

...les of the development of the systemic Jymphatic vessels in the manmialian embryo. Anat. Rec, vol. 4, no. 2, pp. 399-423. ...rtles. Publication no. 1S2 of th4 Carnegie Institution of Washington y pp. 77-87.

[[Carnegie stage 7]] At this stage (in the Missen embryo) “the human placenta clearly presents a combination of labyrinthine and v

...istoric histological study of the development of the meninges of the human embryo spinal cord. Our current understanding of interstitial cell development and ...by the Department of Embryology, sincere appreciation is expressed to the Carnegie Institution of Washington, and to Dr. G. W. Corner, Director. The author is

...® later published a detailed description of the aortic clusters of the pig embryo. Meanwhile I had observed them also in chick embryos of 3 to 4 days’ incu ...ogic studies of Schulte™ on the cat embryo, those of McClure” on the trout embryo, and the studies of Huntington" on the development of the lymphatics in amn

|[[File:Mark_Hill.jpg|50px|left]] This historic 1956 paper describes using [[Carnegie Collection]] early human development in week 2 and 3. [[Carnegie Embryos|Carnegie Embryos in this paper]]: {{CE8698}} | {{CE8794}} | {{CE8663|}} | {{CE8663}

...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

...:Stage10_neural_sm.jpg|thumb|300px|Neural groove closing to neural tube<br>Embryo early week 4 ([[Carnegie_stage_10|Stage 10]])]] ...transverse section week 8|Spinal cord transverse section<br>Embryo week 8 (Carnegie Stage {{CS22}})]]

...|90px|left]] This historic 1929 paper by Ingalls (1880-1949) describes a [[Carnegie Collection]] human embryos segmental thickenings in the dorsal ectoderm of ...(726), appear as shown in figure A. This represents a left lateral view of embryo no. 155, C.R. 11.8 mm. The thickenings or dises are indicated by the row of

...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 ossicles in the middle ear were independent in different locations. At Carnegie Stage 17 a homogeneous interzone clearly defined the incus and malleus anla Cross-section of human embryo [[Carnegie stage 22]] during [[Week 8]].

...35 paper by Florian and Hill describes an early human embryo in [[Week 3]] Carnegie Stage {{CS7}}. '''Modern Notes:''' Carnegie Stage {{CS7}} | {{gastrulation}} | [[Week 3]]

...ric 1955 paper by Mckay and co-authors describes human [[Carnegie stage 14|Carnegie horizon (stage) 14]] embryos. Currently only a brief abstract is included o '''Modern Pages:''' [[Carnegie stage 14]] | [[Week 5]] | [[Embryology History - Arthur Hertig|Arthur Herti

...he United States Public Health Service and Department of Embryology of The Carnegie Institution of Washington. The three smaller embryos were fixed in toto. The 23 mm embryo was cut into three blocks and the 35 mm fetus was cut into 6 blocks before

...Mall describes the human embryos in the collection that would become the [[Carnegie Collection]]. There is also a [[:File:1904 - Catalogue of the collection of [[Carnegie Collection]] | [[Carnegie Embryos]]

Department of Embryology, Carnegie Institution of Washington, Baltimore, Mn. ...th its associated tiny mass of protoplasm, which alone will make the chick embryo, becomes all but lost on the surface of the yolk. But that speck of protopl

...he United States Public Health Service and Department of Embryology of The Carnegie Institution of Washington. The three smaller embryos were fixed in toto. The 23 mm embryo was cut into three blocks and the 35 mm fetus was cut into 6 blocks before

...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 19|stage 19]]; {{CE1584}} [[Carnegie stage 19|stage 19]]; {{CE1535}} [[Carnegie stage 23|stage 23]]. '''Modern Notes:''' {{embryonic}} | {{CRL}} | [[Carnegie Collection]]

...ost successful on record — carried out by my friend, H. D. Goodale, at the Carnegie Laboratory at Cold Spring Harbor. One case" is that of a female Mallard duc ...o an important internal secretion. If the sac-like glands are removed, the embryo fails to become attached to the wall of the uterus of the mother. If the ov

See also {{Ref-Mall1921}} [[Book - Contributions to Embryology Carnegie Institution No.56-14|Chapter 14. Hofbauer Cells in Normal and Pathologic Co Department of Embryology, Carnegie Institution of Washington, and Department of Anatomy, Stanford Medical Scho

{{Carnegie stage 7 links}} =The Chorion and Endometrium of the Embryo H.R.1=

...pg|90px|left]] This historic 1927 paper described development of the mouse embryo. Paper currently in Draft form. (From the Department of Genetics, Carnegie Institution of Washington, Cold Spring Harbor.)

...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

=An Early Human Embryo (No. 1285, Manchester Collection), with Capsular Attachment of the Connecti ...tive purposes, an account of the head-process and prochordal plate of this embryo and provided a graphic reconstruction of the dorsal view of the embryonal s

...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]]

...10) the right side of the neck and thorax was cut in sagittal sections. In embryo (9) and the six foetuses the neck and upper part of the thorax were cut in (10) Embryo, 9th-10th week, no measurement recorded, sagittal sections at 15 9, of righ

...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.

=Chapter III. The Human Embryo= ==Calculation of the Age of the Human Embryo==

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>

...treeter (1873-1948)]] describes the [[:Category:Carnegie Embryo 2|Carnegie Embryo No. 2]] [[Carnegie_stage_15|stage 15]] was first described in {{Ref-Mall189 {{Carnegie stage 15 links}}

...pg|90px|left]] This historic 1931 paper describes an early human embryo, [[Carnegie stage 8]]. =A Young Human Embryo (Embryo Dobbin) with Head-Process and Prochordal Plate=

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

...Surgeons’ Hall, Edinburgh; Hon. Fellow, American Gynaecological Society ; Carnegie Research Fellow. We may now consider the question of how the testes descend in the human embryo. I base this account on 1ny own specimens and on the facts given by Bramann

...gave a review of the literature to that date. In the caudal sections of an embryo of six days and eighteen hours incubation he finds that: ...and early growth of this blood filled lymphatic plexus in the living chick embryo of about five days, that it is formed by a purely centrifugal outgrowth fro

...lection [[:Category:Carnegie Embryo 1399|Embryo No.1399]], classified as [[Carnegie stage 8|'''Stage 8''']] occurring during [[Week 3]]. ...Poor || Formol || P || Trans. || 10 || {{HE}} etc. || 1916 || "Mateer embryo" described by Streeter (1920) <ref>{{Ref-Streeter1920a}}</ref>

....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).

By A. M. Hain (Carnegie Research Fellow), The Institute of Animal Genetics, Edinburgh University, ...y defrayed by grants (to A.M.H.) from the Medical Research Council and the Carnegie Trust for the Universities of Scotland.

...90px|left]] [[Historic Embryology Papers]] | [[Embryonic Development]] | [[Carnegie Collection]] =Cyclopia in the Human Embryo=

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,

...the opinion of Veit that "ova" may continue to grow after the death of the embryo, but added that the existence of bare areas and the bunching of villi in so ...abortuses, not only believed that cellular proliferation can occur in the embryo after its death, but that either the lateral or the dorsal or ventral halve

...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

...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.

...d in a majority of gilts in which all of the uterus was removed except one embryo and its corresponding portion of uterine horn on the 12th day of pregnancy. The Corpus Luteum of Pregnancy As It Is in Swine. Carnegie Inst. Contr. Embryol. 5: 69.

...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]]

...human embryos in detail ([[:Category:Teacher-Bryce Embryo 2|Teacher-Bryce Embryo 2]]) and compares these two with the other known (named) human embryos of t =IV. The Development of the Vascular System in the Human Embryo prior to the Establishment of the Heart=

Fuss, A. 1911. Uber extraregioniaire Geschlechtzellen bei einem Menschhchen Embryo von vier wochen. Anat. Am. 39, 407. Gregory, P. W. 1930. The early embryology of the rabbit. Carnegie Inst. Wash. Contrib. to Embryol. 21, 141.

...ntary bone and does not articulate with the sternum, and finally the human embryo, where the clavicle reaches its fullest development. ...to 10.5 mm. are described in the paper now under review. The 13-mm. human embryo corresponds essentially to the 18-mm. pig and 13-mm. cat. The pericardial c

...ystem in organic economics, and the basic morphological principle that any embryo must go through certain ancestral phases of organization before it can arri ...ween the embryonic and the adult stages in the circulation of a fish where embryo and adult are both living under similar conditions.

...ical study With few exceptions, the younger the stage of development of an embryo of a particular species the lower is the animal group which it resembles bo ...hology does not appear to be concerned with the further development of the embryo, although the genetic structure of the male gametes is of fundamental impor

...ranes and appendages, and the establishment of those relations between the embryo and the maternal organism which are such fundamental characteristics of the ...aternal uterine walls, and in the early and extensive relation between the embryo and this new source of nutrition.

...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

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

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

...arily spherical in form. Spherical cells are comparatively numerous in the embryo, and in the adult the resting white blood corpuscles, which float freely in A, From a 7 mm. embryo; B, from one of 26 mm.; ch, chroma tin knot; g. s, ground substance; 1, lin

...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 ...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 is no

...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=

...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}}

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

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.

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

...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 ...y as 1875 and still advocated by him at a much later date. Since Balfour ('77) clearly pointed out that the sympathetic is derived from the cerebrospinal

...mparatively recent years three authors have been so fortunate as to obtain embryo monotremes, on the skull of which they have worked. Fig. 1. - ''Ornithorhynchus paradoxus''. Embryo delta. J. T. Wilson Coll. Ventral aspect of a model of the

...hese were consequently regarded as the fundamental differentiations of the embryo, determining its subsequent history. Next, differentiations among the cleav ...g blastomere develops as it would normally, i.e., into the left half of an embryo and larva, containing approximately one-half the number of cells found in t

...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

...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 Swammerdam (1637-80), Haller (1708-77), Bonnet (1720-93) and Spallanzani (1729-99) believed that the pre-existing

...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

h) Communications of the "Institut International d'Embryo logie" (Embryological section of the I.U.B.S.) P List of members of the "In ...Uruguay. S. America. •BURNS. R. K. B.S., Ph.D., Prof. — Dep. of Embryol., Carnegie Inst.

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

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

...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. '

: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.

...tion of the interaction among the developing and growing organs within the embryo. The study of the growth influences of one embryonic . organ on another is ...and then continues without interruption until a free living larva or young embryo is formed. This then proceeds to grow and change until the adult structure

Translation by Joat V Nonidu Carnegie Institution Wuhington Arch. f. Ophthal., Bd. 77, S. 531. Bauer, J., and Leidler 1911 Uber den Einfluss der Ausschaltung ver

...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

...f the Scala tympani, Scala vestibuli and perioticular cistern in the human embryo. Nine figures 299 87.58 87.17 81.63 77.00 69.50 54 42

77 itaL de biol., Par., xvii, pp. 475-77. CiULLA, M. 1910 Gli organi a secrczione interna nella gravichmza e nel pue

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.

...) 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

...es whose significance has not been explained in a satisfactory way. Weber, 77, concludes, from liis study of the sinus orbitalis, that this sinus acts as Fig. 1. Cephalic veins of a late embryo of Tropidonotus natrix, head 7.5 mm. long. X 24. After Grosser and Brezina,

Staff Member, Department of Embryology, Carnegie Institution Of Washington. Baltimore. Maryland cervical mucus of 17 out of 77 cases so distributed that they might be regarded as constituting a preconce

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

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

...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

University of Cincinnati Carnegie Institution WARREN H. LEWIS Carnegie Laboratory oj Embryology, Johns Hopkins Medical School

Mabel Bishop. The nervous system of a two-headed pig embryo. Twenty figures 379 10.77

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,

...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

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

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.

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.

...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.

...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

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 (

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

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

LARVAL DEVELOPMENT IN THE SEA URCHIN 77 ...loss. In figures 74 (A, anterior, B, lateral aspect) and in figures 75 to 77, all recoveries after alcohol, the apical outgrowth develops the "ciliated

...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

...ogy, With An Appendix On The Arteries And Veins In A Thirty Millimeter Pig Embryo== Ordinarily, the student is shown two dimensions of a piece of tissue or embryo, and left to imagine the third. Though whole mounts of chick embryos are ha

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

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

77 1918. X, 77-85.

...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==

Howard Brown Stough. Modified mitosis in the chick embryo. Eight plates (sixty figures) 535 ...atour ( ’61), Langer ( ’70), Waalewjin ( ’72), Biedermann (’75), Edinger (’77), Luchhau (’78), Garel (’79), Cattaneo (’86, ’87), Decker (’87),

...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

14.77 1.77

...lationships of the fishes belonging to the family Scombridae. Three plates 77 77

...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 77/6' Delineation of the Motor Cortex in tJie Dog, by H. Gushing.

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

...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

...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.

...chanan's Manual of Anatomy. Systematic and Practical, including Embryology 77 Henry Denison. Note on Pathological Changes found in the Embryo Pig and its Membranes, with one figure 2.~3

IV. Joseph Marshall Flint. The Framework of the Glandula Parathyroidea 77 With 3 text figures. ==On The Development Of The Blood-Vessels Of The Brain In The Human Embryo==

the development of the embryo. were removed from day 35 to day 77 of

P. E. Smith. The effect of hypophysectomy in the early embryo upon the growth and development of the frog. Ten figures 57 ...kin. Anomalous renal vessels and their surgical significance. Nine figures 77

The cats were sacrificed from 24 hours to 77 days after ligation. Under ether anesthesia the abdomen was opened and the ...more remote portions of the plexus. In another animal which was sacrificed 77 days after ligation, this small connecting vessel had a counterpart in two

77.50 17.50 77.26 9.09 9.09 4.54

...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

77 77 88

...ncreases from about 0.66 per cent of the body at 5 grams to a maximum of 0.77 per cent at 10 to 15 grams, declining to 0.28 per cent at 205 grams and 0.2 4.77 (4.52-4.98)

The pus obtained on the 10th of March reached the Carnegie Laboratory on the 11th, accompanied by a message stating that it came from ...2l8t of September was collected in a sterilized test-tube and sent to the Carnegie Laboratory. It was delayed in transit and had an offensive odor when receiv

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

...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

He died peacefully on November 3, 1915, at the age of 77 years, and his body rests beneath a massive block monument in the Arlington ...sults is of interest for the following reasons: (1) The diagnosis in these 77 cases is sure because the specimens obtained from the patients operated upo

Proceedings of the American Society of Zoologists. Fifteenth Annual Meeting 77 ...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

...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

...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

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

...restis dissected and drawn from nature by H. S. Cadmus. I, pedal ganglion; 77, abdominal; 777, visceral ; 7F, pleural ;F, order: (l) The pair of pedal ce ...er den Bau der Spinalganglienzellen bei einen viermonatlichen menschlichen Embryo. Arch. f. mikr. Anat., Bd. 59. 1901.

...minal viscera through the spinal column; "\'eraguth COl) described a human embryo with ectopia of the spleen and intestines. Finally, in 1917, Williams descr ...rded and the latter theory has also Imhmi looked iijion as invalid, durlt (77),

...ems to be required for growth and development of the nervous tissue in the embryo. 0.77

Kappers, Teleostean and Selachian Brain. 77 77. KoppEN. Ueber das hintere Langsbiindel. Ncurologischcs Centralblatt. 1889.

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

...,000; leucocytes, 6,480. Differential count: Polymorphonuclear leucocytes, 77%; mononuclear leucocytes, 21%; transitionals, 17c. The reduction in the num ...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