fan-shaped body layer [FBbt_00040035]
Horizontal, laminar subdivision of the fan-shaped body that results from the stratification of large field neurons. There are 8 layers that run parallel to each other increasing in width dorsally to form a fan shape (Ito et al., 2014). There is additionally a ‘cap’ (layer 9) that sits dorsal to layer 8 and is narrower than the other layers (Wolff et al., 2015). Based on silver staining, Hanesch et al., (1989) claim that there are 6 layers in the fan-shaped body (1-6 from top to bottom). In more recent work using the synaptic marker Nc82, Young and Armstrong (2010) state that there are ‘roughly 8 layers’, but note that ’establishing specific layers clearly’ can often prove difficult. Lin et al. (2013) define 6 layers (a-f, from top to bottom). This ontology currently follows Ito et al. (2014), which divides the fan-shaped body into 8 layers, numbering them from bottom to top. We additionally have the extra dorsal layer (9) defined by Wolff et al., (2015).
Note
This page displays the raw VFB json record for this term. Please use the link below to open the term inside the Virtual Fly Brain viewerOpen fan-shaped body layer in VFB
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VFB Term Json
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