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Tight junction and a gap junction between two trophoblast cells

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.