Lamina papyracea

Dr Henry Knipe and Dr Maxime St-Amant et al.

The lamina papyracea, also known as the orbital lamina of the ethmoid bone, is the principal component of the medial wall of the orbit, and also the lateral surface of the ethmoid air cells.

It articulates:

It thickens posteriorly to form the optic tubercle, protecting the optic nerve.

Lamina papyracea is Latin for paper-thin, which is an appropriate term to describe this thin sheet or paper-like osseous structure.

Anatomy: Head and neck
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Article information

rID: 59419
System: Head & Neck
Section: Anatomy
Tag: cases, refs
Synonyms or Alternate Spellings:
  • Orbital lamina of ethmoid bone
  • Orbital lamina of the ethmoid bone

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Cases and figures

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