Operculum papillare
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Component of the eye in elasmobranchs
The operculum papillare is the iris found in the eyes of elasmobranchs (skates, sharks and rays).[1] It can undergo pupillary light reflex to such an extent that the eye is essentially shut off. It is sometimes called the golden iris because of the shine it sometimes causes.
- ↑ Voronina, E. P. (2010-11-01). "On morphology and taxonomy of scophthalmids". Journal of Ichthyology. 50 (9): 695–703. Bibcode:2010JIch...50..695V. doi:10.1134/S0032945210090018. ISSN 1555-6425.
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