primitive streak
noun1
Embryology, Medicine, Sciences A formation that occurs during the initial phases of embryonic development in birds, reptiles and mammals.
Entry derived from the Wiktionary, under licence CC BY-SA 4.0 — list of authors.
noun
Embryology, Medicine, Sciences A formation that occurs during the initial phases of embryonic development in birds, reptiles and mammals.
Entry derived from the Wiktionary, under licence CC BY-SA 4.0 — list of authors.
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