High power TEM of a mural trophoblast cell of a stage 4 embryo in vitro. Measuring bar = 0.5 µm . The nucleus (N) has an infolding inner nuclear membrane with structures resembling nuclear pores (arrows).
From: Lindenberg et al., 1986. Reproduced with permission of the publisher, Oxford University Press.
Keywords: inner nuclear membrane, mural trophoblast cell, nuclear pores, nucleus, trophoblast cells
Source: The Virtual Human Embryo.