Lacrimal bone

The lacrimal bone (os lacrimale)is a paired bone with a thin plate found in the medial wall of the orbit im- mediately behind the frontal process of the maxilla. It’s lateral surface carries the:

  • Posterior crest of the lacrimal bone (crista lacrimalis posterior).
  • Lacrimal groove (sulcus lacrimalis), which meets the sulcus of the frontal process of the maxilla to form the fossa or the lacrimal sac (fossa sacci lacrimalis).
  • Lacrimal hamulus (hamulus lacrimalis) which is formed by inferior part of posterior lacrimal crest.