A labyrinthine vein is a complex network of small blood vessels found in the inner ear that plays an important role in maintaining balance and hearing. Some synonyms for the term labyrinthine vein include the cochlear vein, the inner ear vein, the vestibular vein, and the otic vein. These veins are vital to the function of the inner ear and can be affected by various conditions such as Meniere's disease and acoustic neuroma. Understanding the anatomy and function of the labyrinthine vein is essential for diagnosing and treating these conditions, as well as maintaining overall ear health.