Anatomy Atlases: Illustrated Encyclopedia of Human Anatomic Variation: Opus IV: Organ Systems: Lacrimal Gland and Nasolacrimal Duct

Anatomy Atlases(tm) : A digital library of anatomy information

Illustrated Encyclopedia of Human Anatomic Variation: Opus IV: Organ Systems

Lacrimal Gland and Nasolacrimal Duct

Ronald A. Bergman, PhD
Adel K. Afifi, MD, MS
Ryosuke Miyauchi, MD
Peer Review Status: Internally Peer Reviewed

There may be supernumerary (two to four) puncta.

Duplication of the canaliculus is rare (1:60,000). The puncta are occasionally imperforate. Diverticula of sinuses in the lacrimal duct may occur, or the nasolacrimal duct may be doubled.

Reference

Wolff, E. (1954) The Anatomy of the Eye and Orbit, 4th ed., Lewis, London.

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