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Fig. 1. Expression of Gata2 and Gata3 in chick sympathetic
ganglia. Frozen sections at the brachial level of E6 chick embryos were
analysed for the expression of Gata2 and Gata3 by in-situ
hybridisation. Sympathetic ganglia display a strong hybridisation signal for
Gata2 (black arrowheads), whereas Gata3 expression was not
detected (white arrowheads). In the spinal cord both Gata2 and
Gata3 are expressed (black arrows). da, dorsal aorta.