Definition

1. Noun:
   • The cranial nerve that transmits visual information from the retina to the brain: The nervus opticus is the second cranial nerve, responsible for carrying sensory impulses related to vision.

Usage Examples

• Noun:
  • Damage to the nervus opticus can result in permanent vision loss.
  • The ophthalmologist examined the patient's nervus opticus for signs of swelling.

Advanced Usage

• Clinical Context: The term is primarily used in medical, anatomical, and clinical contexts.
  • MRI scans are used to visualize the pathway of the nervus opticus.

Variants and Related Words

• Optic nerve: This is the common English term synonymous with "nervus opticus." "Nervus opticus" is the Latin-derived anatomical term.

  • The optic nerve carries signals from the eye to the visual cortex.

• Cranial nerve II: This is its numerical designation within the set of twelve cranial nerves.

  • Cranial nerve II, the optic nerve, is a sensory nerve.

Synonyms

• Optic nerve: The direct and most frequently used synonym in English.
• Second cranial nerve: Refers to its position in the cranial nerve sequence.

Related Phrases and Terms

• Optic neuritis: Inflammation of the nervus opticus.

  • Optic neuritis is often associated with multiple sclerosis.

• Optic chiasm: The point where the two optic nerves partially cross.

  • The nervus opticus from each eye meets at the optic chiasm.

Noun

1. the cranial nerve that serves the retina