Fig. (7) Low power electron microscopic radioautogram of the
adrenal medullary tissues of a juvenile mouse at postnatal day 14,
labeled with 3H-thymidine, showing DNA synthesis (several silver
grains) in the nuclei as well as in a few mitochondria of 10
adrenalin cells at upper left and 15 noradenalin cells at center and
right. x 1,000. (From Nagata [49].
Courtesy of J Cell Tiss Res 9: 1793-1802, 2009).