pneumoventricle

pneu·mo·ven·tri·cle

(nū'mō-ven'tri-kĕl),
Air in the ventricular system of the brain; occurs as a complication of a fracture of the skull that passes through the accessory nasal sinuses.
Farlex Partner Medical Dictionary © Farlex 2012

pneumoventricle

(nū″mō-vĕn′trĭ-k'l) [″ + L. ventriculus, little belly]
Air accumulation in the cerebral ventricles.
Medical Dictionary, © 2009 Farlex and Partners