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Carnegie Stage   Figure

Disappearing pronuclei

Disappearing pronuclei

LM of a stage 1c embryo (zygote) in vitro, 20 hours post-insemination. Pronuclear envelopes have disappeared. Remnant of one pronucleus is faint. Syngamy is beginning.

From: Veeck and Zaninovic´, 2003. Reproduced with permission of the publisher, Taylor & Francis Group.

Click on the picture to view the full-sized image.


Keywords: pronuclear envelope, pronucleus, stage 1c embryo


Source: The Virtual Human Embryo.