Embryology History - Osborne Heard
Embryology - 19 Apr 2024    Expand to Translate
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Introduction
Osborne O. Heard (1891 – 1983) was one of the first to be hired, to the newly formed Carnegie Institute of Embryology in 1913, he was modeller who spent 42 years at the department and made over 700 wax-based reconstructions.
The results of this team effort still stand as the international standard by which human embryos are described and classified.
The models were mainly made by the lost-wax casting process and his models were also much more detailed than the earlier (1880's) Ziegler embryo models.
- Links: Carnegie Collection | Carnegie Stages | Ziegler Models
| Embryologists: William Hunter | Wilhelm Roux | Caspar Wolff | Wilhelm His | Oscar Hertwig | Julius Kollmann | Hans Spemann | Francis Balfour | Charles Minot | Ambrosius Hubrecht | Charles Bardeen | Franz Keibel | Franklin Mall | Florence Sabin | George Streeter | George Corner | James Hill | Jan Florian | Thomas Bryce | Thomas Morgan | Ernest Frazer | Francisco Orts-Llorca | José Doménech Mateu | Frederic Lewis | Arthur Meyer | Robert Meyer | Erich Blechschmidt | Klaus Hinrichsen | Hideo Nishimura | Arthur Hertig | John Rock | Viktor Hamburger | Mary Lyon | Nicole Le Douarin | Robert Winston | Fabiola Müller | Ronan O'Rahilly | Robert Edwards | John Gurdon | Shinya Yamanaka | Embryology History | Category:People | ||
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- Carnegie Stages: 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | About Stages | Timeline
1922
Reference: Congdon, E. D. (1922) 47-110 Transformation of the aortic-arch system during the development of the human embryo. Carnegie Institution No.68.
- "Microscopic study was supplemented in each case by models made by the wax-plate method. Several of these reconstructions were already in the laboratory, having been prepared in connection with other studies, notably those of Ingalls, Bartelmez, Davis, Evans, and Streeter. Plaster casts were made from some of the plates by Mr. O. O. Heard, whose skilful aid is greatly appreciated. The colored figures were the work of Mr. J. F. Didusch and were drawn from models. I am much indebted to him for their excellent rendering and for further assistance in reconstructing some parts."
Plate 1
Plate 2
Plate 3
Glossary Links
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Cite this page: Hill, M.A. (2024, April 19) Embryology Embryology History - Osborne Heard. Retrieved from https://embryology.med.unsw.edu.au/embryology/index.php/Embryology_History_-_Osborne_Heard
- © Dr Mark Hill 2024, UNSW Embryology ISBN: 978 0 7334 2609 4 - UNSW CRICOS Provider Code No. 00098G
