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MP 2

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Segregation wave: S1

According to previous descriptions (Goodman et al., 1984; Thomas et al., 1984; Goodman and Doe, 1993; Spana et al., 1995) the two closely associated MP2 progeny differ by their size and dorsoventral position, the ventral one (vMP2 ) being smaller than the dorsal one (dMP2). Their initial dorsoventral position is subsequently lost as they migrate to maintain an anteroposterior position, with the anterior cell being the smaller MP2 progeny. The anterior (vMP2) and posterior MP2 (dMP2) also differ in their axonal pattern. vMP2 has an anterior axon, whereas dMP2 has a prominent posterior projection and a smaller anterior axon branch that fasciculates with the vMP2 axon.

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Page last modified: July 25, 2000 by Managers.