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Lacrimal hamulus

Small, hook-like bony projection of the lacrimal bone

Small, hook-like bony projection of the lacrimal bone

FieldValue
NameLacrimal hamulus
Latinhamulus lacrimalis
Systemskeletal
Part_oflacrimal bone

The lacrimal hamulus is a small, hook-like bony projection of the lacrimal bone. It is a continuation of the posterior lacrimal crest. It articulates with the lacrimal tubercle of the maxilla, and completes the upper orifice of the lacrimal canaliculus. It sometimes exists as a separate piece, and is then called the lesser lacrimal bone.

Structure

The lacrimal hamulus is a small, hook-like bony projection of the lacrimal bone. It is a continuation of the posterior lacrimal crest of the lacrimal bone. It articulates with the lacrimal tubercle of the maxilla. This completes the upper orifice of the lacrimal canaliculus.

Relations

The lacrimal hamulus is usually around 9 mm from the infraorbital foramen, around 20 mm from the inferior orbital fissure, and around 31 mm from the beginning of the posterior lacrimal crest.

Variation

The lacrimal hamulus develops from its own site of primary ossification of cartilage. Because of this, it sometimes exists as a separate piece, and is then called the lesser lacrimal bone.

References

References

  1. Gupta, Nishi. (2021). "Radiological Anatomy of the Lacrimal Drainage System". Springer.
  2. Chmielewski, Piotr Paweł. (2021). "New Terminologia Anatomica: cranium and extracranial bones of the head". Folia Morphologica.
  3. Gupta, Nishi. (2021). "Anatomy of Lacrimal Drainage System". Springer.
  4. (2020-11-01). "Triangulating the ledge: radiographic study of the floor of orbit and derivation of a novel template". British Journal of Oral and Maxillofacial Surgery.
Info: Wikipedia Source

This article was imported from Wikipedia and is available under the Creative Commons Attribution-ShareAlike 4.0 License. Content has been adapted to SurfDoc format. Original contributors can be found on the article history page.

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