hippocampus
/ˌhɪpəˈkæmpəs/noun
(pl. hippocampi /-pɪ/)
- Anatomy the elongated ridges on the floor of each lateral ventricle of the brain, thought to be the centre of emotion, memory, and the autonomic nervous system【剖】海马结构（侧脑室底的伸长突起, 据说是情感、记忆及自主神经系统的中心）。
词源
late 16th cent.: via Latin from Greek hippokampos, from hippos 'horse' + kampos 'sea monster'.