Fig. 2. Lack of increase in the number of TH-immunoreactive cells in the adrenal gland of Mash1^–/– mice. (A-F) Photomicrographs showing cross-sections through the adrenal glands of wild-type (A-C) and Mash1^–/– mice (D-F) at E13.5 (A,D), E16.5 (B,E) and P0 (C,F) stained with an antibody against TH. (G) Counts of TH-immunoreactive cells in serial sections of the adrenal glands of Mash1^–/– mice and wild-type littermates. Data are presented as mean±s.e.m. At least six adrenal glands of three different animals for each group have been analyzed. Scale bar: 100 µm.

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