Zinn, Johann

Zinn, Johann

(zin, tsin)
Johann Gottfried Zinn, Ger. anatomist and botanist, 1727–1759.

annulus of Zinn

A ring of fibrous tissue behind the eye that surrounds the optic nerve and the ophthalmic artery and vein. It consists of the origins of five of the extraocular muscles: the superior oblique, and the inferior, lateral, medial, and superior rectus muscles.
Synonym: annular tendon

tendon of Zinn

The portion of the fibrous ring (annulus tendineus communis) from which the inferior rectus muscle of the eye originates.

zonule of Zinn

Ciliary zonule.