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. [ BIRNLEX:1298 ]
Synonyms: stratum radiatum stratum radiatum hippocampi radiate layer of hippocampus
Term information
pheno_slim
contains septal and commissural fibers. It also contains Schaffer collateral fibers, which are the projection forward from CA3 to CA1. Some interneurons that can be found in more superficial layers can also be found here, including basket cells, bistratified cells, and radial trilaminar cells
Term relations
- layer of hippocampus and immediately_deep_to some hippocampus pyramidal layer and immediately_superficial_to some hippocampus stratum lucidum
- layer of hippocampus
- immediately_deep_to some hippocampus pyramidal layer
- immediately_superficial_to some hippocampus stratum lucidum
- CA2 stratum radiatum
- CA3 stratum radiatum
- CA1 stratum radiatum
- stratum radiatum of caudal CA2
- stratum radiatum of caudal CA3
- stratum radiatum of caudal CA1
- stratum radiatum of uncal CA1
- stratum radiatum of uncal CA2
- stratum radiatum of rostral CA1
- stratum radiatum of rostral CA2
- stratum radiatum of rostral CA3
- stratum radiatum of uncal CA3