Medical Definition of fornix
plural fornices \-nə-ˌsēz\play
: an anatomical arch or fold: asa: the vault of the craniumb: the junction where the conjunctiva lining the eyelid meets the conjunctiva overlying the sclerac: 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 braind: the vaulted upper part of the vagina surrounding the uterine cervixe: the fundus of the stomachf: the vault of the pharynx
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