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Fig. 1 | BMC Neuroscience

Fig. 1

From: Insights into the segmental identity of post-oral commissures and pharyngeal nerves in Onychophora based on retrograde fills

Fig. 1

Segmental identity of cephalic appendages and head development in onychophorans. a Simplified diagram of the innervation of segmental cephalic appendages. Body segments, each carrying a pair of appendages, are numbered. be Head development in embryos of subsequent developmental stages in the onychophoran Euperipatoides rowelli. The jaws are highlighted artificially in yellow. Modified from Ou et al. [15]. an antenna, cc connecting cord, dc deutocerebrum, ey eye, jw jaw, le1 and le2 first and second legs, lp lip papillae, mc median commissure, nc nerve cord, pc protocerebrum, st stomodeum, sp slime papilla. Scale bars (in be) 200 µm

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