pneumatized bone

pneumatized bone

[TA]
a bone that is hollow or contains many air cells, such as the mastoid process of the temporal bone.
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However, when purulent secretion extends to the highly pneumatized root of the zygomatic process, the pneumatized bone can be eroded and purulent secretion can accumulate within the temporalis fossa once there is penetration through the periosteum.
The classic theory holds that a hemorrhage occurs as a result of an obstruction of ventilation in pneumatized bone.
68) The humerus is the only pneumatized bone of the avian thoracic limb.