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. 2013 Jun 3;8(6):e65975. doi: 10.1371/journal.pone.0065975

Figure 6. Histology of PrV and cortex from adult water shrews.

Figure 6

A. PrV from an adult water shrew (3 months age) illustrating the barrelette pattern. The arrowhead marks the chin barrelettes. Open arrow marks the small patch of barrelettes corresponding to whiskers just dorsal to the nostrils. Filled arrow marks the small cleft consistent with the location of the nose representation (compare to landmarks in figure 4). B. Clusters of afferent terminals labeled by a neuronal tracer (CTB) injected into the whiskerpad of an adult shrew. C. A section of flattened cortex processed for cytochrome oxidase from an adult water shrew (different case from that in “A”). The whisker representation in S1 is visible in the center. Scales  = 0.5 mm.