tendon of Zinn


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Related to tendon of Zinn: circle of Zinn

tendon of Zinn

The portion of the fibrous ring (annulus tendineus communis) from which the inferior rectus muscle of the eye originates.
See also: Zinn, Johann

annulus of Zinn 

The common tendon from which arise the four recti muscles of the eye. It surrounds the optic foramen and a part of the medial end of the superior orbital fissure. Syn. tendon of Zinn. See muscle cone.