Hippocampal formation

Japanese: 海馬形成 - かいばけいせい
Hippocampal formation

… In humans, the hippocampus spreads along the base of the inferior horn of the lateral ventricle and is wrapped inward. The extent of the hippocampus is clearly defined externally, but the boundaries with adjacent areas are not always clear, and the terms “hippocampal formation” and “hippocampal region” are commonly used to refer to the hippocampus proper, the dentate gyrus, and the subiculum (hippocampal subiculum). The adjacent area, the posterior part of the piriform cortex, is called the entorhinal cortex, and is also included in the “hippocampal region.” …

*Some of the terminology that refers to "hippocampal formation" is listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

Japanese:

… 海馬は,ヒトでは側脳室の下角底にそって広がり,内方に包みこまれている。海馬の領域範囲は外見上はっきりしているが,隣接域との境界は必ずしも明確ではなく,〈海馬形成〉とか〈海馬領域〉とかいう名称が,固有の海馬に歯状回や海馬台(海馬支脚)を含めて,通常用いられている。また,隣接域である梨状葉皮質後部にあたる部分を内嗅野といい,ここも〈海馬領域〉に含められる。…

※「海馬形成」について言及している用語解説の一部を掲載しています。

出典|株式会社平凡社世界大百科事典 第2版について | 情報

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