What is the hippocampus?

It is called the hippocampus. Gray's Anatomy (1918) describes it as a curved, seahorse-shaped structure of gray matter.

What it is

  • A curved, seahorse-shaped structure of gray matter.
  • Named after the Greek word for seahorse.
  • Essential for forming new long-term memories.

Where it is

  • On the medial floor of each temporal lobe of the cerebrum.
  • Deep inside the brain, near the ear.
  • Part of the limbic system.

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Last verified: 2026-07-18

  • Best Anatomy Answers is an educational reference about human anatomy. It is not medical advice — for any health concern, talk to a licensed medical professional.

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