Fig. 33. Light microscopic view of a stage 3 embryo in vitro through the inner cell mass (ICM). 145 hours post-insemination. The blastocyst is unexpanded.

BC, blastocystic cavity.

(From: Lopata, Kohlman, and Kellow, 1982. Reproduced with permission of the publisher, John Wiley & Sons.)

Back Next