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...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]].

...function of long noncoding RNAs (lncRNAs) and small RNAs during oocyte-to-embryo transition in mammals. LncRNAs are an assorted rapidly evolving collection ...miR-183) are differentially expressed in the CVG compared to NC and OV at Carnegie developmental stage {{CS13}}. We further identified transcription factors t

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>

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

...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.

...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

...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

....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).

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

...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. ...R. M. 19633.. Advances in Neuroendocrinology. Univ. Ill. Press, Urbana. p. 345.

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.

...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

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.

...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

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

...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

...cribes the structure of the adult brain-stem. See also the series from the Carnegie Institution of Washington called [[Book_-_Contributions_to_Embryology|Contr Washington, D. C. Published by the Carnegie Institution of Washington 1914

...s were fertilized and were in stages from the one-celled to the six-celled embryo. Five of the twentyfour sows mentioned were obtained before a method of dis ...ictured in her recent contribution to the early vasculogenesis of the pig (Carnegie Institution of Washington, Contributions to Embryology, No. 18, 1917).

embryo without the cooperation of the female, and whether the result is male enlarged compartment where the egg or developing embryo may be retained.

...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