fornix

• 指解剖学上呈拱形的结构，通常是体腔的拱形顶盖，也指大脑中连接海马与其他区域的白质纤维束（穹窿）。

A noun referring to an arch-shaped anatomical structure, most commonly the arched roof of a body cavity or the bundle of white fibers in the brain connecting the hippocampus to other regions.

1. Arched anatomical structureC2formalmedical

   A general term for any arch-shaped or vaulted anatomical structure, often referring to the roof of a cavity or space.

   穹窿

   • The fornix of the vagina is the recess surrounding the cervix.
   • The surgeon examined the fornix of the pharynx.
   • The fornix of the stomach is the upper curved portion.

   同义词archvault

2. Brain fiber bundleC2formalmedical

   An arched bundle of white matter fibers in the brain that connects the hippocampus to other regions, including the thalamus and mammillary bodies.

   穹窿

   • The fornix is a crucial part of the limbic system involved in memory.
   • Damage to the fornix can impair memory formation.
   • The fornix projects from the hippocampus to the mammillary bodies.