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Corpus: Lateral rectus muscle

1. Definition

The lateral rectus muscle is a skeletal muscle that is part of the extraocular muscles responsible for eye movement.

2. Course

The lateral rectus muscle originates from the common tendinous ring (annulus tendineus communis). It runs in a straight path and attaches to the lateral side of the eyeball (bulbus oculi) on the sclera, just anterior to the equator of the eye.

3. Innervation

The lateral rectus muscle is innervated by the abducens nerve (cranial nerve VI).

4. Blood supply

The muscle receives its arterial blood supply from the lacrimal artery, a branch of the ophthalmic artery.

5. Function

When the lateral rectus muscle contracts, it rotates the eyeball laterally, producing abduction (moving the eye outward).

Stichworte: Corpus, Eye, Head, Muscle

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Isabel Keller
DocCheck Team
Natascha van den Höfel
DocCheck Team
Dr. Frank Antwerpes
Arzt | Ärztin
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Letzter Edit:
02.08.2024, 07:54
33 Aufrufe
Nutzung: BY-NC-SA
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