Figure 6

Transmission electron microscopy (TEM) of the connexins in the developing kidney tissue and CNF kidneys. (a) Connexins (arrows) are observed between the tubular cells in the 6th developmental week. (b) Connexins (arow) interconnect glomerular cells in the kidney tissue of the 21st week human embryo. (c) Connexins (arrows) between the tubular cells in the CNF kidneys.