Embryology - 23 Apr 2024 Expand to Translate
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This historic 1945 paper by Hertig describes Carnegie Collection early human extra-embryonic development in week 2. The historic term "ova" is still used here to describe the early developing conceptus. See also: Hertig AT. and Rock J. On the development of the early human ovum, with special reference to the trophoblast of the previllous stage: A description of a normal and 5 pathologic human ova. (1944) Amer. J. Obstet Gynecol., 47: 149-184. Hertig AT. and Rock J. Two human ova of the pre-villous stage, having a developmental age of about seven and nine days respectively. (1945) Contrib. Embryol., Carnegie Inst. Wash. Publ. 557, 31: 65-84. Hertig AT. and Rock J. On a normal human ovum not over 7.5 days of age. (1945) Anat. Rec. 91: 281. Hertig AT. and Rock J. On a normal ovum of approximately 9 to 10 days of age. (1945) Anat. Rec. 91: 281. Hertig AT. and Rock J. On a human blastula recovered from the uterine cavity 4 days after ovulation. (1946) J Gerontol. 1(1): 96-117. Modern Notes: Week 2, Trophoblast,

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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)

On the Development of the Amnion and Exocoelomic Membrane in the Previllous Human Ovum

Arthur Tremain Hertig (1904-1990)

Paper - On the development of the amnion and exocoelomic membrane in the previllous human ovum