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...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]].

Department of Embryology, Carnegie Institution of Washington, Baltimore, Marylayid ...ch other and to the vertebral column. The migration of these organs in the embryo has given us the explanation of the peculiar course of their nerves of supp

...Mark_Hill.jpg|90px|left]] This 1935 paper by Gilbert describes early human embryo hypophysis (pituitary) development. ...hms, ’32; Gilbert, ’34). These investigations have shown that in the early embryo the ventral surface ectoderm of the head is closely adherent to the floor

...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

...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]]

...to age fetuses based upon their bone ossification using embryos from the [[Carnegie Collection]]. ...gth (months) group (millimeters) (millimeters) 2 3 Up to so 69 3 19 81-135 115 ‘ 4 32 136-175 157 5 54 176-215 194 6 74 216-255 233 41 M 33 F 7 ’ 67 2

...les R. Essick describes human embryonic {{neural}} development using the [[Carnegie Collection]] embryos. [[Carnegie Embryos]] used in this study: {{CE227}}, {{CE75}} {{CE86}} {{CE145}} {{CE1

...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

...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.)

...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.

The author wishes to thank Dr. G. L. Streeter of the Carnegie Institution of Washington at Baltimore for the privilege of studying a larg ...rom the spinal accessory cell column in the upper cervical cord of a human embryo (no. 1433B). Camera lucida drawing. Pyridine silver preparation. X 750,

:'''Links:''' [[Book_-_Contributions_to_Embryology|Carnegie Institution of Washington - Contributions to Embryology]] ...ns thick and stained with hematoxylin and eosin; the brain of a dog-fetus, 115 mm., serial No. Can. 1, cut in transverse sections 20 microns thick and sta

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>

...belonging very largely in the later months of pregnancy, while that in the Carnegie Collection, on the other hand, belongs very largely in the earlier months. The records of the Carnegie Collection contained 8 cases of hydatiform mole in the first 2,400 accessio

...er birth. This development generates the most complex structure within the embryo and the long time period of development means in utero insult during pregna ...uctural integrity of neurons was already aberrant in the FGR cerebellum at 115 d GA, and by 124 d GA, inflammatory cells (Iba-1+ immunoreactivity) were si

...oved since this historic human study. This embryo has been classified as [[Carnegie stage 7]] in [[Week 3]]. {{Carnegie stage 7 links}}

Human crown rump length Probable age ' Method of embryo no. in millimeters in weeks preparation H. 1360 17 7 Pyridine silver H. 119 ...’08) has shown that the motor elements in the brain stem of a 10 mm. human embryo form a continuous column which extends from the spinal cord into the medull

...uman ova are obtained only rarely, and the early development of the human. embryo is not known with great accuracy. Such specimens are therefore of some valu ...obliquity of the sections makes the interpretation of the features of the embryo difficult, and it is very doubtful if a reconstruction of the ovum would se