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. Author manuscript; available in PMC: 2009 Sep 15.
Published in final edited form as: Evol Dev. 2007 Mar–Apr;9(2):131–140. doi: 10.1111/j.1525-142X.2007.00144.x

Fig. 4.

Fig. 4

Artemia franciscana netrin (afrNet) is expressed in a variety of tissues. afrNet expression is initially detected in the salt gland (A) and posterior ectoderm (B) in L1 animals (L2 shown in A and B). As segments are generated, afrNet expression is found in the trunk ectoderm (L4 shown in C) and the dorsal mesoderm (marked by arrow in dorsal view of L3 animal shown in D). Expression of afrNet is detected in the hindgut throughout development (stage L4 is shown in ventral view shown in (E) and lateral view shown in (F). Expression is also found throughout limb development. Expression is shown in limb precursors at stage L4 (G) and at later stages of development in L7 (H). Arrows in g and h mark expression in early limbs (G, H), and arrowheads mark expression in the nerves of more mature leg segments (H) as well as in the L4 antennae and mandible (I). Anterior is oriented up in all figures but (A), in which anterior is oriented to the left.