fornix

noun
for·​nix | \ ˈfȯr-niks How to pronounce fornix (audio) \
plural fornices\ ˈfȯr-​nə-​ˌsēz How to pronounce fornix (audio) \

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 While the menstrual cup sits in the vaginal canal where a tampon also sits, menstrual discs sit at the vaginal fornix, which is deeper into the vaginal canal. Suzannah Weiss, Glamour, 6 July 2020 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, 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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Dictionary Entries Near fornix

forniciform

fornix

for no apparent purpose

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Cite this Entry

“Fornix.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/fornix. Accessed 28 Sep. 2021.

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More Definitions for fornix

fornix

noun
for·​nix | \ ˈfȯr-niks How to pronounce fornix (audio) \
plural fornices\ -​nə-​ˌsēz How to pronounce fornix (audio) \

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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