Very high power TEM of a tight junction (TJ) and a gap junction (arrow) between two trophoblast cells of a hatched, expanded stage 3 embryo in vitro (original magnification x3,500). Notice interlocking microvilli (Mv).
From: Sathananthan et al., 2003. Printed from Reproductive Biomedicine Online.
Keywords: expanded embryo, gap junction, hatched embryo, interlocking microvilli, tight junction, trophoblast cells
Source: The Virtual Human Embryo.