Definition

Noun: - The deepest and most prominent of the cortical fissures; separates the frontal lobes and temporal lobes in both hemispheres: This is a specific anatomical term for a major groove or sulcus on the lateral surface of each cerebral hemisphere of the brain. It is a key landmark that divides two major lobes.

Usage Examples

• Noun:
  • The neurosurgeon carefully navigated around the fissure of Sylvius during the procedure.
  • On the MRI scan, the fissure of Sylvius was clearly visible, demarcating the boundary between the frontal and temporal lobes.

Advanced Usage

• "The Sylvian fissure": This is a common alternative name for the same anatomical structure.
  • The middle cerebral artery runs along the depth of the Sylvian fissure.

Variants and Related Words

• Sylvian fissure (n): The most common synonym for the fissure of Sylvius.
• Lateral sulcus (n): Another anatomical term for the same structure.
• Fissure (n): A general term for a deep groove or cleft, especially in an organ like the brain.

Synonyms

• Sylvian fissure
• Lateral sulcus

Related Phrases

• To expose the Sylvian fissure: A surgical or anatomical phrase meaning to reveal this brain structure.
  • The first step of the operation was to expose the Sylvian fissure.

Noun

1. the deepest and most prominent of the cortical fissures; separates the frontal lobes and temporal lobes in both hemispheres