Definition

1. Noun:
   • The third cranial nerve: A nerve that originates in the midbrain and controls most of the eye's movements and the constriction of the pupil.

Usage

• The term "nervus oculomotorius" is the anatomical Latin name for the oculomotor nerve. It is used in formal, technical, and medical contexts, such as in textbooks, research papers, and clinical diagnoses.
• In everyday English, the term "oculomotor nerve" is far more common. "Nervus oculomotorius" is typically used when precision or adherence to standard anatomical nomenclature is required.

Examples

• Noun:
  • Damage to the nervus oculomotorius can result in ptosis (drooping eyelid) and diplopia (double vision).
  • The surgeon carefully avoided the nervus oculomotorius during the procedure.

Advanced Usage

• Clinical Assessment: In a neurological exam, a physician might test the function of the nervus oculomotorius by asking a patient to follow a moving finger with their eyes.
• Pathology: Conditions like an aneurysm or diabetes can affect the nervus oculomotorius, leading to specific patterns of eye muscle weakness.

Variants and Related Words

• Oculomotor nerve: The standard English term for "nervus oculomotorius."
• Cranial Nerve III (CN III): Another common synonym used in medical notation.
• Oculomotor (adjective): Pertaining to the eye's movements (e.g., oculomotor function, oculomotor system).

Synonyms

• Oculomotor nerve
• Third cranial nerve
• Cranial Nerve III

Related Phrases

• Oculomotor palsy/paralysis: Dysfunction or paralysis of the oculomotor nerve.
• Oculomotor nucleus: The cluster of neurons in the midbrain from which the nervus oculomotorius originates.

Noun

1. supplies extrinsic muscles of the eye