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MOB (Main olfactory bulb) synapses onto PIR (Piriform area)

All claims for this connection
Species
Mouse
Result
present
Method
transsynaptic tracer
Sign
unknown
Strength
weak
Evidence
Anterograde VSV spread from the olfactory bulb labelled few piriform cortex neurons at 72 h and more by 96 h.
Source

Different Subgroups of Cholinergic Neurons in the Basal Forebrain Are Distinctly Innervated by the Olfactory Regions and Activated Differentially in Olfactory Memory Retrieval

Frontiers in Neural Circuits, 2018

DOI 10.3389/fncir.2018.00099 · PubMed 30483067 · PMC6243045, Figures 3C,D

Licence: CC-BY-4.0

Named in the paper
“OB” and “PIR”
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-5-5) agrees, 2026-10-10

“PIR had few VSV-labelled neurons at 72 h and more at 96 h after OB injection.”

Status

proposed

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