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AnatomyHead and neckOrbit and contentsOra serrata
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AnatomyHead and neckOrbit and contentsOra serrata

Ora serrata

Author: Edwin Ocran, MBChB, MSc • Reviewer: Dimitrios Mytilinaios, MD, PhD
Last reviewed: March 14, 2024
Reading time: 1 minute

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Structure of the eyeball seen in a transverse section.
Ora serrata
Synonyms: none

The term 'ora serrata' is derived from Latin, meaning 'serrated edge'. It describes the irregular, jagged posterior border of the ciliary body.

The ora serrata marks the junction between the posterior, photosensitive optic region of the retina (neural retina) and the anterior nonphotosensitive (nonvisual) region, which extends over the internal surface of the ciliary body and the iris. 

From the ora serrata the neural retina extends backward to line the posterolateral aspect of the eyeball internally.

Terminology English: Ora serrata

Latin: Ora serrata
Definition Junction between the neural retina and nonvisual retina

Learn more about the ora serrata in the following study unit:

Anatomy of the eyeball Explore study unit

Sources

All content published on Kenhub is reviewed by medical and anatomy experts. The information we provide is grounded on academic literature and peer-reviewed research. Kenhub does not provide medical advice. You can learn more about our content creation and review standards by reading our content quality guidelines.
  • Drake, R., Vogl, W., Mitchell, A. & Gray, H. (2015). Gray's anatomy for students. Philadelphia, PA: Churchill Livingstone/Elsevier.
  • McKinley, M. & Loughlin, V. (2012). Human anatomy. New York: McGraw-Hill.
    Mescher, A. L., & Junqueira, L. C. (2013).
  • Moore, K. L., Dalley, A. F., & Agur, A. M. R. (2014). Clinically Oriented Anatomy (7th ed.). Philadelphia, PA: Lippincott Williams & Wilkins.
  • Standring, S. (2016). Gray's Anatomy (41st ed.). Edinburgh: Elsevier Churchill Livingstone

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