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Corona ciliaris: anatomy, location and function

The corona ciliaris is the ridged anterior part of the ciliary body bearing the ciliary processes. The ciliary processes produce aqueous humour and give attachment to the zonular fibres that suspend the lens.

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Highlighted in the model: Corona ciliaris. Click any part to read about it, or switch off “Highlight topic” to see the whole body. 3D data: BodyParts3D, © The Database Center for Life Science, CC BY 4.0; meshes simplified and recoloured. The model is an adult male.

Corona ciliaris at a glance

Also called
Pars plicata of ciliary body
What it is
The corona ciliaris is the ridged anterior part of the ciliary body bearing the ciliary processes.
Location
It lies behind the iris, between the iris root and the pars plana, encircling the lens.
Function
The ciliary processes produce aqueous humour and give attachment to the zonular fibres that suspend the lens.
Body system
Eye & ear · paired (left and right)
FMA ID
FMA58484 (Foundational Model of Anatomy)

Key facts

  • Also called the pars plicata.
  • With the flat pars plana (orbiculus ciliaris) behind it, it forms the ciliary body, which contains the ciliary muscle.

Structures next to the corona ciliaris

The nearest named structures in the 3D model, measured from the centre of each part:

References

  1. Foundational Model of Anatomy: Corona ciliaris (FMA58484). EMBL-EBI Ontology Lookup Service.
  2. OpenStax. Anatomy and Physiology 2e, §14.1 Sensory Perception. Rice University, 2022.
  3. Mitsuhashi N. et al. (2009). BodyParts3D: 3D structure database for anatomical concepts. Nucleic Acids Research 37, D782–D785. Data © The Database Center for Life Science, CC BY 4.0.

Explore the whole body in the interactive 3D human anatomy model, or browse the A–Z list of human structures.