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Fig. 6 | EvoDevo

Fig. 6

From: Expression of NK cluster genes in the onychophoran Euperipatoides rowelli: implications for the evolution of NK family genes in nephrozoans

Fig. 6

Expression of NK5 at consecutive developmental stages in embryos of the onychophoran E. rowelli. Anterior is up in AE, IK, and left in FH. A, B–E Expression in the head of subsequent developmental stages in ventral view. Empty and filled arrowheads in A and B point to two separate domains in each cephalic lobe. A′ Same Embryo as in A stained with DAPI. F–H Second to seventh developing legs of a stage VI embryo in dorsolateral view. Arrowheads point to the mesodermal expression in the fourth to seventh legs. I Developing antenna of a stage VI embryo in ventral view. Note the expression in the distal mesoderm (arrowhead). J, K Anterior regions of stage V and VI embryos in ventral view. Note the expression in the ventral nerve cords (asterisks). Abbreviations: at, developing antenna; cl, cephalic lobe; cx, brain cortex; jw, developing jaw; mo, developing mouth; st, stomodeum; sp, developing slime papilla; ve, ventral extra-embryonic tissue. Scale bars: 200 µm

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