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Nachrichten, Termine, Experten
Die Experimentelle Biologie verdankt der mehr als 300 Jahre zurückliegenden Entdeckung des Süßwasserpolypen Hydra viel. Hydra wurde 1702 zum ersten Mal von Antoni van Leeuwenhoek beschrieben, und 1744 veröffentlichte Abraham Trembley eine bemerkenswerte Serie von Experimenten zu Hydra, die zum ersten Mal die Regeneration, Gewebetransplantation und asexuelle Vermehrung eines Tieres zeigten. Die Fotografie von Melanie Mikosch und Thomas Holstein (Universität Heidelberg) zeigt einen knospenden Polypen von Hydra magnipapillata.
Foto: Melanie Mikosch und Thomas Holstein; Universität Heidelberg
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