Onodi cell

O·no·di cell

(on'ŏ-dē), a variant of a posterior ethmoidal air cell in intimate relationship with the optic nerve just distal to the optic chiasm.

Onodi,

Adolf, Hungarian laryngologist, 1857-1920. Onodi cell - a variant of a posterior ethmoidal air cell in intimate relationship with the optic nerve just distal to the optic chiasm.