cornus ammonis (Ammon's horn)

Introduction

One of the 2 interlocking gyri composing the hippocampus.

The other is the dentate gyrus.

Structure

• based on cytoarchitectural features, the cornus ammonis may be divided into 4 regions, cornus ammonis (CA) 1-4

More general terms

• gyrus

Component of

• hippocampus (hippocampal formation)

Components

• cornus ammonis [CA]-4 (dentate hilus)
• cornus ammonis [CA]-3
• cornus ammonis [CA]-2
• cornus ammonis [CA]-1