Fig. 24. SEM of a stage 2, 10-cell embryo in vitro on post-insemination day 3. Zona pellucida was removed mechanically. Blastomeres are of unequal size and intercellular clefts are pronounced. Microvilli are dense.
(From: Nikas et al., 1996. Reproduced with permission of the publisher, John Wiley & Sons.)