noun
hippocampus
Anatomical term for the seahorse-shaped structure in the brain. Used in medical and biological contexts.
海馬状隆起は記憶の形成に重要な役割を果たす。
The hippocampus plays an important role in memory formation.
Compound of 海馬 (seahorse) + 状 (-shaped) + 隆起 (protrusion, ridge), referring to the seahorse-like shape of the brain structure.