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Fig. 4. Summary of migration patterns from different sectors in embryonic turtle
forebrain at various stages. CMDFA placement sites are represented by a
color code (see A). In labeled and cultured slices, the density of
labeled cells was evaluated in sectors (as defined in B). The dotted
line in the DVR, LGE and MGE separates the VZ and postmitotic areas that were
analyzed separately. Gray and striped areas show the location of
Darpp-32-positive cells in the LGE and the lateral cortex, respectively. Each
scheme summarizes the mean distribution of labeled cells as observed in a
number (n) of slices labeled from the same area at same stage. Injection sites
are arranged into rows and stages are arranged in columns with the stages
indicated at the bottom. The analysis was semi-quantitative: in each sector of
each injected slice, the number of labeled cells was evaluated as: +++, high;
++, medium; +, low; (+), half that of low. The mean number of labeled cells in
each area was multiplied by two and translated into a color code proportional
to the cell density (see text).
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