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Figure 6 | BMC Biology

Figure 6

From: Hox genes pattern the anterior-posterior axis of the juvenile but not the larva in a maximally indirect developing invertebrate, Micrura alaskensis (Nemertea)

Figure 6

MaCdx expression in M. alaskensis larval development. All images and diagrams show lateral views with larval anterior up and future juvenile anterior to the left. (A) MaCdx is expressed in trunk discs of trunk-discs-stage larvae. A single trunk disc (td), cephalic disc (cd), and the stomach (st) are labeled for reference. (B) MaCdx expression in head-and-trunk stage occurs in posterior domains of each trunk rudiment (tr), with no evident expression in the dorsal disc (dd). The head rudiment (hr) is indicated for reference. (C) MaCdx is expressed just anterior to the juvenile caudal cirrus in extended-proboscis-stage larvae. (A’-C’) diagrammatically illustrate expression patterns in the three respective developmental stages.

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