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O'Rahilly, R. and Müller, F. Developmental Stages in Human Embryos. Carnegie Institution Of Washington Publication 637 (1987).

Historic Disclaimer - information about historic embryology pages  Pages where the terms "Historic" (textbooks, papers, people, recommendations) appear on this site, and sections within pages where this disclaimer appears, indicate that the content and scientific understanding are specific to the time of publication. This means that while some scientific descriptions are still accurate, the terminology and interpretation of the developmental mechanisms reflect the understanding at the time of original publication and those of the preceding periods, these terms, interpretations and recommendations may not reflect our current scientific understanding.     (More? Embryology History | Historic Embryology Papers)

Online Editor Note   O'Rahilly R. and Müller F. Developmental Stages in Human Embryos. Contrib. Embryol., Carnegie Inst. Wash. 637 (1987). The original 1987 publication text, figures and tables have been altered in formatting, addition of internal online links, and links to PubMed. Original Document - Copyright © 1987 Carnegie Institution of Washington. See also the later 2010 paper by the same authors - O'Rahilly R & Müller F. (2010). Developmental stages in human embryos: revised and new measurements. Cells Tissues Organs (Print) , 192, 73-84. PMID: 20185898 DOI. Links: Embryonic Development | Carnegie Collection | Carnegie Embryos | Ronan O'Rahilly | Fabiola Müller