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Fig. 1. Expression of Lmx1a in developing spinal cord. Lmx1a expression (red) alone
(A,B,E) or together with Slug (C,F,H), and MafB (D,G,I) (both green) in chick
developing spinal cord at the stages indicated. (A) Arrows point to neural
folds expressing Lmx1a; n, notochord. (F) Asterisk indicates dorsal midline
cells that co-express Lmx1a and Slug. Arrowheads point to
Slug-positive/Lmx1a-negative cells delaminating and migrating away from the
neural tube.