annulus of Zinn

English dictionary entry

Meanings

noun
  1. A ring of fibrous tissue surrounding the optic nerve at its entrance at the apex of the orbit.

Word forms

annulus of Zinn

Etymology

Named after Johann Gottfried Zinn (1727–1759), German anatomist and botanist.

Synonyms

anulus tendineus communis common tendinous ring

Related words

circle of Zinn-Haller zonule of Zinn
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