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. 2020 Dec 23;226(1):281–296. doi: 10.1007/s00429-020-02182-8

Fig. 3.

Fig. 3

Parvalbumin labelling in Betz cells. a Parvalbumin-immunopositive (thick arrow) and parvalbumin-immunonegative (thin arrow) Betz cells on confocal fluorescent images with 20 × magnification. The parvalbumin expression of the Betz cells is lower compared to interneurons (one PV-immunopositive interneuron is indicated with a white star). b The proportion of PV-immunopositive and -negative cells in four control subjects in both hemispheres