V2EX ca3

CA3

定义 Definition

CA3:海马体(hippocampus)中的一个重要分区,常指海马 CA3 区(Cornu Ammonis 3)。它在记忆形成、模式补全(pattern completion)以及与齿状回(dentate gyrus)和 CA1 的信息传递中很关键。(在不同学科里,CA3 也可能作其他缩写使用。)

发音 Pronunciation (IPA)

/si e θri/

例句 Examples

The CA3 region helps retrieve memories from partial cues.
CA3 区域有助于根据不完整的线索提取记忆。

Because CA3 has strong recurrent connections, it is often studied to understand how the hippocampus supports pattern completion during recall.
由于 CA3 具有较强的回返(递归)连接,它常被用来研究海马体在回忆时如何支持模式补全。

词源 Etymology

CA3 来自拉丁语 Cornu Ammonis(意为“阿蒙之角”,指海马的角状结构命名传统)加上分区编号 3。神经解剖学中常用 CA1、CA2、CA3、CA4 来标记海马不同亚区。

相关词 Related Words

文学与著作 Literary Works

  • Principles of Neural Science(Eric R. Kandel 等):讨论海马回路时常提到 CA3 与 CA1 的功能分工。
  • The Hippocampus Book(Per Andersen 等):系统介绍海马结构与生理机制,包含 CA3 的连接与计算功能。
  • Neuroscience(Dale Purves 等,多版教材):在海马章节中常使用 CA3 作为关键解剖与功能术语。
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