abducens
Definition
- Noun:
- The abducens nerve: A cranial nerve that controls the lateral rectus muscle, responsible for moving the eye outward (away from the nose).
Usage
- The word "abducens" is a specialized anatomical and medical term. It is almost exclusively used to refer to the specific cranial nerve (Cranial Nerve VI).
- It is typically used in formal, academic, or clinical contexts such as neurology, ophthalmology, and anatomy.
Examples
- Noun:
- Damage to the abducens can cause double vision and an inward turning of the eye.
- The surgeon carefully avoided the abducens during the procedure.
Advanced Usage
- "Abducens palsy" or "abducens nerve palsy": A condition characterized by paralysis or weakness of the lateral rectus muscle due to dysfunction of the abducens nerve, leading to an inability to move the eye outward.
- The patient was diagnosed with abducens palsy following the injury.
Variants and Related Words
- Abducens nerve (n): The full term for the nerve.
- Abducent nerve (n): A less common synonym for the abducens nerve.
- Cranial nerve VI (n): The numerical designation for the abducens nerve within the set of twelve cranial nerves.
- Lateral rectus muscle (n): The specific eye muscle innervated by the abducens nerve.
Synonyms
- Abducent nerve: A direct synonym.
- Sixth cranial nerve: A descriptive synonym based on its numerical order.
Notes on Meaning
- The term "abducens" is derived from Latin, meaning "to lead away," which describes the nerve's function of abducting (moving outward) the eye.
- It functions solely as a noun in modern English usage.
Noun
-
a small motor nerve supplying the lateral rectus muscle of the eye
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