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Figure 6


Fig. 6. Development of the M-lineage. (A-T) Wild-type (WT) and los mutant Drosophila embryos of the indicated ages were stained with antibodies to Mid and En (A-H), Mid and Eve (I-P), or Mid+Zfh1 (Q-T). Anterior is up; midline is marked by vertical line(s). Arrowhead, M-GMC; large arrow and M, M-neuron; small arrow and s, M-sib; white asterisks in N indicate another Mid-positive neuron and its smaller sibling cell. (U) The developmental timing of the M-lineage.