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PL (Prelimbic area) projects to Isocortex

Species: Rat
Result: present
Method: retrograde tracer
Sign: unknown
Strength: weak
Evidence: CTB injected into posterior ventral OFC gave weak but consistent labelling in prelimbic cortex.
Source: Organization of Afferents along the Anterior–posterior and Medial–lateral Axes of the Rat Orbitofrontal Cortex
Neuroscience, 2021
DOI 10.1016/j.neuroscience.2021.02.017 · PubMed 33609638 · PMC8022030, Results, Medial prefrontal projections; Table 2
Licence: CC-BY-4.0
Named in the paper: “prelimbic (PL)” and “PVO”
Made by: an AI model reading the paper (claude-opus-5-5, extract@0.3.0), 2026-10-09
Checked by: a second AI model (claude-opus-5-5) agrees, 2026-10-09
“Weak but consistent PL labelling was reported after PVO injection.”
Status: proposed
Drafted and checked by AI models; it stays proposed until people have audited a sample of such claims.