- Hertig-Rock ova
- Her·tig-Rock ova (hurґtig rok) [Arthur Tremain Hertig, American pathologist, 1904–1990; John Rock, American gynecologist, 1890–1984] see under ovum.
Medical dictionary. 2011.
Hertig-Rock ova
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Hertig-Rock ova — 34 embryos, ranging from 1 to 17 days of age, 21 of which were normal, and 13 abnormal to one degree or another; isolated between 1938 and 1953, they constitute the only series of such early human conceptuses in existence … Medical dictionary
