Very high power TEM of a hatched stage 3 embryo in vitro showing details of mitochondria within an inner cell mass cell (original magnification x35,000). Mitochondria are elongated with transverse cristae. Larger, rounded to oval mitochondria with sparse cristae are still present.
From: Sathananthan and Trounson, 2000
Keywords: hatched embryo, inner cell mass cell, mitochondria, transverse cristae
Source: The Virtual Human Embryo.