File:Trochlear_nerve.png · Wikimedia Commons · See Wikimedia Commons
trochlear nerve
Sign in to saveAlso known as nervus trochlearis, cranial nerve IV, CN IV
4th cranial nerve
Key facts
- Innervates
- Superior oblique muscle
- Latin
- nervus trochlearis
- Mesh
- D014321
- Ta98
- A14.2.01.011
via Wikipedia infobox
Research
2,103 papers- Trochlear nerve palsy.British journal of hospital medicine (London, England : 2005) · 2017
- Surgical Treatment of Trochlear Nerve Schwannomas: Case Series and Systematic Review.World neurosurgery · 2022
- Trochlear nerve neurinoma--case report.Neurologia medico-chirurgica · 1988
- Microsurgical anatomy of the trochlear nerve.Clinical anatomy (New York, N.Y.) · 2015
- Trochlear nerve.Journal of neurosurgery · 1999
via PubMed
~10 min read
Encyclopedic overview
The trochlear nerve (/ˈtrɒklɪər/), (lit. pulley-like nerve) also known as the fourth cranial nerve, cranial nerve IV, or CN IV, is a cranial nerve that innervates a single muscle - the superior oblique muscle of the eye (which operates through the pulley-like trochlea). Unlike most other cranial nerves, the trochlear nerve is exclusively a motor nerve (somatic efferent nerve).
The trochlear nerve is unique among the cranial nerves in several respects:
Excerpted from Wikipedia’s “trochlear nerve” article, available under the CC BY-SA 4.0 licence.