fornix

noun
for·nix | \ ˈfȯr-niks \
plural fornices\ˈfȯr-nə-ˌsēz \

Definition of fornix 

: an anatomical arch or fold: such as

a : the junction where the conjunctiva lining the eyelid meets the conjunctiva overlying the sclera

b : a body of nerve fibers lying beneath the corpus callosum with which they are continuous posteriorly and serving to integrate the hippocampus with other parts of the brain

c : the vaulted upper part of the vagina surrounding the uterine cervix

Examples of fornix in a Sentence

Recent Examples on the Web

The fornix connects the hippocampus to other areas of the brain and seems to play an important role in memory, researchers say. Monte Whaley, The Denver Post, "Dancing with a little do si do may help fend off aging in the brain, Colorado State University researcher finds," 29 Mar. 2017

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'fornix.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of fornix

1681, in the meaning defined above

History and Etymology for fornix

New Latin, from Latin

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Time Traveler for fornix

The first known use of fornix was in 1681

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More Definitions for fornix

fornix

noun
for·nix | \ ˈfȯr-niks \
plural fornices\-nə-ˌsēz \

Medical Definition of fornix 

: an anatomical arch or fold: as

a : the vault of the cranium

b : the junction where the conjunctiva lining the eyelid meets the conjunctiva overlying the sclera

c : a body of nerve fibers lying beneath the corpus callosum with which they are continuous posteriorly and serving to integrate the hippocampus with other parts of the brain

d : the vaulted upper part of the vagina surrounding the uterine cervix

e : the fundus of the stomach

f : the vault of the pharynx

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