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ZI (Zona incerta) projects to PAG (Periaqueductal gray)

All claims for this connection
Species
Rat
Result
present
Method
anterograde tracer
Sign
unknown
Evidence
BDA injected into the medial zona incerta, covering A13 TH-positive neurons, produced BDA/TH double-labelled axons and boutons in the dlPAG. This confirms the retrograde result.
Source

A discrete dopaminergic projection from the incertohypothalamic A13 cell group to the dorsolateral periaqueductal gray in rat

Frontiers in Neuroanatomy, 2013

DOI 10.3389/fnana.2013.00041 · PubMed 24367297 · PMC3853869, Results, Dopaminergic projection from A13 to the dlPAG; Figs. 6-7
Named in the paper
“A13 cell group (medial zona incerta)” and “dlPAG”
Made by
an AI model reading the paper (claude-opus-5-5, extract@0.3.0), 2026-10-10
Checked by

a second AI model (claude-opus-5-5) agrees, 2026-10-10

“BDA injected into the medial zona incerta covering A13 gave BDA/TH double-labelled axons and boutons in the dlPAG (Figs 6-7).”

Status

proposed

Drafted and checked by AI models; it stays proposed until people have audited a sample of such claims.