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Fig. 1. Expression of Anxa5 in early embryonic development is restricted to the
primary capillary plexus, dorsal aorta and extra-embryonic tissues.
Whole-mount embryos heterozygous for Anxa5-lacZ fusion gene
were stained for ß-galactosidase activity at E7.0 (A), E7.5 (B), E8.5
(C,D) and E9.0 (F). Sections of E8.5 (E) and E9.0 (G-I) embryos were
counterstained with Eosin after X-gal staining. Strong expression is detected
in the ectoplacental cone (A,B, arrowheads). Expression of
Anxa5-lacZ reporter in lining angioblasts of the visceral
yolk sac mesoderm (D; E, arrows), dorsal aorta (B,C,H arrows) and in
intersegmental vessels (I, arrows) is marked. Scale bar: 50 µm in E,H,I;
200 µm in A-D,F,G.
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