fornix

/ˈfɔrnɪks/

Other forms: fornices

Definitions of fornix

1. noun

   generally any arch shaped structure (but often it refers to the arched roof of an anatomical space)
   type of:

   body part

   any part of an organism such as an organ or extremity
2. noun

   an arched bundle of white fibers at the base of the brain by which the hippocampus of each hemisphere projects to the contralateral hippocampus and to the thalamus and mamillary bodies
   synonyms: trigonum cerebrale

   type of:

   fascicle, fasciculus, fiber bundle, fibre bundle

   a bundle of fibers (especially nerve fibers)