Outer zone of iris
Anulus major iridis
- Latin synonym: Zona ciliaris iridis
- Synonym: Ciliary zone of iris
- Related terms: Outer border of iris
Definition
The greater ring of the iris (Outer border of iris; Anulus iridis major) is the outer plicated part (ciliary portion) of the iris, distingued from the inner ring by its coarser structure.
References
Text by Antoine Micheau, MD - Copyright IMAIOS