Authors
Patricio Ahumada‐Galleguillos, Máximo Fernández, Gonzalo J Marin, Juan C Letelier, Jorge Mpodozis
Publication date
2015/12/1
Journal
Journal of Comparative Neurology
Volume
523
Issue
17
Pages
2618-2636
Description
The dorsal ventricular ridge (DVR) is one of the main components of the sauropsid pallium. In birds, the DVR is formed by an inner region, the nidopallium, and a more dorsal region, the mesopallium. The nidopallium contains discrete areas that receive auditory, visual, and multisensory collothalamic projections. These nidopallial nuclei are known to sustain reciprocal, short‐range projections with their overlying mesopallial areas. Recent findings on the anatomical organization of the auditory DVR have shown that these short‐range projections have a columnar organization that closely resembles that of the mammalian neocortex. However, it is unclear whether this columnar organization generalizes to other areas within the DVR. Here we examine in detail the organization of the visual DVR, performing small, circumscribed deposits of neuronal tracers as well as intracellular fillings in brain slices. We show that the …
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