fornix

for·nix  (fôrnks)

n. pl. for·ni·ces (-n-sz)

An archlike anatomical structure or fold, such as the arched band of white matter located beneath the corpus callosum of the brain.

---

[Latin, arch, vault; see g^wher- in Indo-European roots.]

Thesaurus

Noun	1.	fornix - generally any arch shaped structure (but often it refers to the arched roof of an anatomical space) body part - any part of an organism such as an organ or extremity
	2.	fornix - 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 trigonum cerebrale carina fornicis - ridge on the lower surface of the fornix of the brain fasciculus, fiber bundle, fibre bundle, fascicle - a bundle of fibers (especially nerve fibers) limbic brain, limbic system, visceral brain - a system of functionally related neural structures in the brain that are involved in emotional behavior