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Figure 6 | Frontiers in Zoology

Figure 6

From: The embryonic development of the central American wandering spider Cupiennius salei

Figure 6

Stage 10, Prosomal limb bud elongation. All scale bars 200 μm. Sytox staining, a-a''; SEMs, b-d. a: Lateral view. Limb buds of pedipalps (P) and walking legs (L1-L4) are prominent in the prosoma, and segments are clearly distinguishable in the opisthosoma (e.g. segment two, O2). a': Frontal view. The white arrows show that the precheliceral region (Pc) extends to the posterior base of the cheliceres (Ch). The ventral sulcus (VS) is a thin length of tissue between the germ band halves. a'': Posterior view. Five segments (O1-O5) with paired bulges are visible in the opisthosoma. A developing sixth opisthosomal segment (white arrowhead) is evident anterior to the growth zone (GZ). b: Embryo in fronto-lateral view. The white dotted line indicates the posterior border of the precheliceral region (Pc). c: Detail of the limb buds in the right prosomal region. d: Detail of the right opisthosomal region. The opisthosomal segment two (O2) has a clear limb bud while opisthosomal segments three and four (O3, O4) only show the beginning formation of the limb bud (white arrowheads).

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