Figure 11From: Neurogenesis in the central olfactory pathway of adult decapod crustaceans: development of the neurogenic niche in the brains of procambarid crayfishSeparation of cap and prototoniche during the transition from late POI to early POII, immunolocalization of tyrosinated tubulin (white) and single 4-h pulse of the S-phase marker EdU (green). (A, B) The cap starts to detach from the protoniche (white arrow). (C-F) Four different specimens showing various stages of the displacement of the cap towards cluster 9. In our terminology, once the cap has completely detached from the core, the latter is called the neurogenic niche as in adults (Sullivan et al., 2007a, b). The cap becomes the medial proliferative zone. Note that compared to the cap, very few cells are in S-phase in the protoniche (arrowheads in C, E, F). Abbreviations: GN, giant neuron; LPZ, lateral proliferative zone. Scale bars: 20 μm (A, B); 30 μm (C-F).Back to article page