trochlearis

9.9

A nerve in the head that controls the top slanted eye muscle and helps you look down

noun
/trɒkˈlɪərɪs/

Specialized

: troclear

Damage to the trochlearis can cause double vision when looking downwards.

Examples

The surgeon carefully avoided injuring the trochlearis during the procedure.
The trochlearis nerve is crucial for eye movement.
Anatomy students must learn the exact pathway of the trochlearis for exams.
Did you know the trochlearis controls the superior oblique muscle?
Damage to the trochlearis can cause double vision when looking downwards.
The surgeon carefully avoided injuring the trochlearis during the procedure.
Anatomy students must learn the exact pathway of the trochlearis for exams.

Synonyms

trochlear

vstrochlearis

Specialized

1 9.9

A nerve in the head that moves an eye muscle to turn the eye down and in

uses a different naming variant for the same concept

fourth cranial nerve

vstrochlearis

Specialized

1 7.0

A nerve that controls a top eye muscle and helps the eye look down

focuses on naming the nerve pair rather than listing specific movements

trochlear nerve

vstrochlearis

Specialized

1 7.2

A part of the body that controls an eye muscle to move the eye down and to the side

is stated more generally without naming specific eye movements

Surface Forms

trochlearis singular

trochleares plural

Etymology

Trochlearis comes from the Latin word trochlea, meaning 'pulley'. So the name fits: this nerve controls a muscle that runs through a small 'pulley' to turn the eye, which is why the word refers to that eye nerve.