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PB (Parabrachial nucleus) projects to MY (Medulla)

All claims for this connection
Species
Rat
Result
present
Method
single neuron reconstruction
Sign
unknown
Evidence
Camera lucida reconstruction of the single neurobiotin-filled KF neuron showed, in addition to the rostral forebrain branch, axon branches descending medially and caudally toward the medulla.
Source

Kölliker–Fuse/Parabrachial Complex PACAP—Glutamate Pathway to the Extended Amygdala Couples Rapid Autonomic and Delayed Endocrine Responses to Acute Hypotension

International Journal of Molecular Sciences, 2025

DOI 10.3390/ijms262311405 · PubMed 41373566 · PMC12692419, Fig. 5A,F

Licence: CC-BY-4.0

Named in the paper
“Kölliker–Fuse nucleus (KF)” and “medulla”
Made by
an AI model reading the paper (claude-opus-5, extract@0.3.0), 2026-10-10
Checked by

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

“Figure 5A/F describe descending axon branches to the medulla from the single reconstructed KF neuron.”

Status

proposed

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