Fig. 48. Very high power TEM of a stage 2, 2-cell embryo in vitro showing details of mitochondria (original magnification x35,000). Mitochondria are unchanged from those of mature oocytes.

S, smooth endoplasmic reticulum.

(From: Sathananthan and Trounson, 2000. Reproduced with permission of the publisher, Oxford University Press.)

Back Next