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hippocampus stratum radiatum

radiate layer of hippocampus

Within the layered architecture of the hippocampus, the stratum radiatum lies immediately above the pyramidal cell layer in fields CA2 and CA1, and superficial to the stratum lucidum in CA3. It is the suprapyramidal region that houses two of the principal intrahippocampal connections: CA3 to CA3 associational fibres, and the CA3 to CA1 Schaffer collaterals. The layer is therefore defined less by its cell bodies than by the axonal traffic passing through it, since the Schaffer collateral projection is the main route by which activity in CA3 reaches CA1. Its Latin designation, the radiate layer of the hippocampus, reflects the radiating course of the apical dendrites that cross it from the pyramidal cells below.

The layer located immediately above the pyramidal cell layer in CA2 and CA1 and superficial to the stratum lucidum in CA3. Suprapyramidal region in which CA3 to CA3 associational connections and CA3 to CA1 Schaffer collateral connections are located.

On this page
Type Organ
Structure parente layer of hippocampus
Nom latin radiate layer of hippocampus
FMA ID 83894

Frequently Asked Questions

What is the hippocampus stratum radiatum?

The layer located immediately above the pyramidal cell layer in CA2 and CA1 and superficial to the stratum lucidum in CA3. Suprapyramidal region in which CA3 to CA3 associational connections and CA3 to CA1 Schaffer collateral connections are located.

What is the Latin name for the hippocampus stratum radiatum?

The Latin name for the hippocampus stratum radiatum is radiate layer of hippocampus.

References

  1. Foundational Model of Anatomy — FMA:83894 Reference anatomy ontology (University of Washington)
  2. UBERON — UBERON:0005372 Cross-species anatomy ontology (EMBL-EBI Ontology Lookup Service)

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Data sources: Terminologia Anatomica, Foundational Model of Anatomy, Wikidata.