Definition

1. Noun:
   • The bony cavity of the inner ear: The "osseous labyrinth" is the complex, maze-like system of bony canals and chambers hollowed out within the petrous part of the temporal bone of the skull.
   • A protective skeletal structure: It is the rigid, bony casing that houses and protects the delicate, fluid-filled membranous labyrinth, which contains the actual sensory organs for hearing and balance.

Usage Examples

• Noun:
  • The computed tomography scan clearly showed the intricate structure of the osseous labyrinth.
  • In anatomy class, we studied how the osseous labyrinth surrounds the cochlea and semicircular canals.
  • Damage to the osseous labyrinth from trauma can lead to hearing loss and vertigo.

Advanced Usage

• "Bony labyrinth": This is a direct synonym and is often used interchangeably with "osseous labyrinth" in medical and anatomical texts.
  • The surgeon carefully navigated the bony labyrinth during the delicate procedure.

Variants and Related Words

• Bony labyrinth (n): A synonym for osseous labyrinth.
• Membranous labyrinth (n): The system of soft, fluid-filled sacs and ducts contained within the osseous labyrinth.
• Labyrinth (n): A general term for a complex, maze-like structure; in anatomy, it often refers to the inner ear structures collectively.
• Otic capsule (n): The dense bony layer that forms the walls of the osseous labyrinth.

Synonyms

• Bony labyrinth: The most common direct synonym.
• Bony inner ear: A more descriptive, less technical synonym.

Related Phrases

• Petrous temporal bone: The specific, very dense part of the temporal bone in which the osseous labyrinth is embedded.
• Inner ear anatomy: The broader field of study that includes the osseous labyrinth.

Noun

1. cavity in the petrous part of the temporal bone that contains the membranous labyrinth