CA1 stratum oriens

Definition

Part of stratum oriens lying in area CA1, superficial to the alveus of CA1 and deep to the pyramidal cell layer of CA1. It is continuous with the stratum oriens of CA2 and bounded by the subiculum.

Also known as CA1 part of stratum oriens, CA1 stratum oriens, oriens layer of CA1 field, stratum oriens of the CA1 field — per UBERON

The CA1 stratum oriens is a part of the Nervous.