Fig. 3
From: New insights into mesoderm and endoderm development, and the nature of the onychophoran blastopore
Expression of Tbx6-like In all panels, anterior is to the left. Panels A and B represent ventral views. Panel C represents a lateral view, dorsal up. Panels A´-C´ represent SYBR Green staining of the embryos shown in panels A-C. The dotted line in panel A marks the embryonic slit. The arrowheads in panels A-C point to expression in the ectoderm of the posterior pit. Developmental stages are indicated (staging system after [9], their supplementary data). Abbreviations: hl, head lobe; j, jaw; pp, posterior pit; slime papilla