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. 2024 Dec 19;15:10695. doi: 10.1038/s41467-024-55100-5

Fig. 1. Historical views of embryonic development.

Fig. 1

a The preformed homunculus (Nicolaas Hartsoeker, 1695). b Modulation of animal shape through tissue growth modulation (d’Arcy Thompson, 1917). c- Induction in development (Speeman and Mangold, 1923).