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BLN (basolateral amygdaloid nuclear complex) projects to CEA (central amygdaloid nucleus)

Species: Rat
Result: present
Method: retrograde tracer
Sign: unknown
Evidence: CTB-488 injected into the CeA retrogradely labelled neurons in the basolateral amygdala complex, with significantly more labelled projection neurons in the lateral than the medial region of the sampled BLA; labelling was essentially ipsilateral to the injection.
Source: Acute stress activates basolateral amygdala neurons expressing corticotropin-releasing hormone receptor type 1 (CRHR1): Topographical distribution and projection-specific activation in male and female rats
Neurobiology of Stress, 2024
DOI 10.1016/j.ynstr.2024.100694 · PubMed 39634490 · PMC11615582, Fig. 2A, Fig. 4A-B; Methods (stereotaxic surgery)
Licence: CC-BY-4.0
Named in the paper: “BLA” and “central amygdala (CeA)”
Made by: an AI model reading the paper (claude-opus-5, extract@0.3.0), 2026-10-09
Checked by: a second AI model (claude-opus-5) agrees, 2026-10-09
“CTB-488 in CeA retrogradely labelled BLA neurons, more in the lateral region (Fig. 4A-B).”
Status: proposed
Drafted and checked by AI models; it stays proposed until people have audited a sample of such claims.