Check Ligament of Left Medial Rectus (Ligamentum retinens musculi recti medialis sinister)
Educational content only — not medical advice.
Anatomy
The check ligament of the left medial rectus is a fibrous fascial expansion extending from the sheath of the medial rectus to insert onto the posterior lacrimal crest of the lacrimal bone, checking excessive adduction of the eye.
Clinical notes
Restrains medial rectus excursion; transected or mobilized during medial orbital decompression for thyroid eye disease (Graves orbitopathy).
Related structures
Educational references
FAQ
What is the role of the Check Ligament of Left Medial Rectus?
The check ligament of the left medial rectus is a fibrous fascial expansion extending from the sheath of the medial rectus to insert onto the posterior lacrimal crest of the lacrimal bone, checking excessive adduction of the eye.
Why is the Check Ligament of Left Medial Rectus clinically important?
Restrains medial rectus excursion; transected or mobilized during medial orbital decompression for thyroid eye disease (Graves orbitopathy).
Source & license
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