The fornices of the vagina are the deepest portions of the vagina, extending into the recesses created by the extension of the cervix into the vaginal space. The word 'fornix' is Latin for 'arch' or 'brothel'.
There are three named fornices:
Some women receive enjoyment from stimulation of the fornices, while other women say that their fornices cannot be stimulated without stimulation of the cervix, which may be painful.