Superior oblique muscle
Superior Oblique Muscle
The Superior Oblique Muscle (pronunciation: su·pe·ri·or o·blique mus·cle) is one of the extraocular muscles responsible for the movement and control of the eye.
Etymology
The term 'Superior Oblique Muscle' is derived from Latin, where 'superior' means 'above' and 'oblique' refers to 'slanting or inclined'. The term 'muscle' is derived from the Latin 'musculus' meaning 'little mouse', possibly due to the resemblance of some muscles to small animals under the skin.
Function
The Superior Oblique Muscle primarily helps in the downward movement of the eye (depression) and also assists in turning the top of the eye towards the nose (intorsion). It is innervated by the trochlear nerve, the fourth cranial nerve.
Related Terms
- Extraocular muscles: The group of muscles that control eye movements.
- Depression (eye): The downward movement of the eye.
- Intorsion: The inward rotation of the eye.
- Trochlear nerve: The nerve that controls the Superior Oblique Muscle.
See Also
- Inferior oblique muscle
- Superior rectus muscle
- Inferior rectus muscle
- Lateral rectus muscle
- Medial rectus muscle
External links
- Medical encyclopedia article on Superior oblique muscle
- Wikipedia's article - Superior oblique muscle
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