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. 2021 Oct 3;227(4):1195–1225. doi: 10.1007/s00429-021-02392-8

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© The Author(s) 2021

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Fig. 9 — Photomicrograph of Nissl (left) and Kluver–Barrera (right) stain of the primary visual cortex of the sheep (Ovis aries). The images have been voluntarily slightly overexposed to enhance the structure visualization