Objective To explore the correlation between processus mastoideus and petrous apex pneumatization and high jugular bulb.

目的探讨乳突及岩尖气化与颈静脉球高位间的相关性。

The parotid gland has many processes,such as duct process,temporal process,inferior process,processus mastoideus, pterygo-mandibular process, parapharyngeal process and tympano-mandibular process.

腮腺有许多突起，计有导管突、颞突、下突、乳突突、翼下颌突、下颌鼓突和咽旁间隙突等。