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Blebbing absence of the nuclear membrane of a 16-cell embryo

TEM of a section of a stage 2, 16-cell embryo in vivo (original magnification x10,500). Blebbing of the nuclear membrane is absent (arrows).

M = mitochondria
Nl = nucleolus

From: Pereda and Croxatto, 1992. Reproduced with permission of the Annals, Academy of Medicine, Singapore.

Keywords: blebbing, mitochondria, nuclear membrane, nucleolus

Source: The Virtual Human Embryo.