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Carnegie Research Fellow in Embryology, and Assistant in the This stage is represented by one embryo 25 mm. in length, the cranial

Acting Lecturer and Demonstrator in Anatomy, University College, London; tate Carnegie Research Fellow in Embryology, and Assistant in the Depariment of Anatomy, This stage is represented by one embryo 25 mm. in length, the cranial extremity of which has been reconstructed in

...evident as a protuberance (see His-Ziegler model of brain of 13.6mm human embryo). As the brain enlarges, the pallium envelops the basal ganglia and the tha ...F8 134 164 F9 136 164 F10 152 18 Fu 162 19 F12 167 19 F13 182 204 Fu4 197 29 F15 210 23 F16 220 24 F17 246 27 F18 268 294 F19 280 314 F20 40

...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

29 GROWTH OF THE INNER EAR OP ALBINO RAT 29

embryo without the cooperation of the female, and whether the result is male to the body of the female (fig. 28), while in the human (fig. 29), cow, sow,

human embryo). As the brain enlarges, the pallium envelops Fu4 197 29

...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

...y variable vestiges of these valves in the adult was emphasized by Yater (’29) and later by Vllright, Anson and Cleveland (’48). ...[[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

of the embryo, determining its subsequent history. Next, i.e., into the left half of an embryo and larva, containing approximately one-half the number of cells found in t

...UCS is formed during human embryogenesis. Fifty human embryos between the Carnegie stage (CS) 14 and CS23 were selected from the Kyoto Collection at the Conge J Am Soc Nephrol. 2018 Mar;29(3):775-783. doi: 10.1681/ASN.2017040380. Epub 2018 Jan 11.

...y variable vestiges of these valves in the adult was emphasized by Yater (’29) and later by Vllright, Anson and Cleveland (’48). ...[[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

...of tissues in organisms, as it consists of cells from several parts of the embryo including the head ectoderm, neural ectoderm and mesoderm. From its many or When Aristotle described the embryo of a ten day old chicken, he wrote "The eyes about this time, if taken out,

...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 ...The most common length is 28 days, less frequent are cycles of 25, 26, 27, 29 or 30 days or longer, but a 21 day cycle is not uncommon Variability in the

...both the method of injection and that of direct observation of the living embryo in the same stage. ...h the growih of the entire wall of a vessel by cell-division in the living embryo and the formation of new vessels from the walls of old vessels; so that the

adapted from the work of Allen, Anat. Anz. 29, on germ cell origin in Chrysemys; D-F namely, is there a separate germinal plasm set apart in the early embryo which

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

...phologically differentiated in samples at the end of the embryonic period (Carnegie stage 23), and had grown linearly to more than eight times in size during t ...miR-183) are differentially expressed in the CVG compared to NC and OV at Carnegie developmental stage 13. We further identified transcription factors that ar

...mm. embryo Princeton no. 610, 12- mm. embryo Princeton no. 1625, 31.5-mm. embryo ...5.5-mm. embryo Princeton no. 857, 8- mm. embryo Princeton no. 1656, 6- mm. embryo

...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 ...of a lytic enzyme associated with the sperm of this species, Wintrebert ('29) found that extracts from the sperm contained an enzyme which is capable of