fornix

for·nix

noun \ˈfȯr-niks\

plural for·ni·ces \-nə-ˌsēz\

Definition of FORNIX

: an anatomical arch or fold: as a : the vault of the cranium b : the part of the conjunctiva overlying the cornea 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

Illustration of FORNIX