Posterior ethmoidal foramen

Posterior ethmoidal foramen
Base of the skull. Upper surface. (On the left, "Posterior ethmoidal foramen" is the 9thlabel from the right.
1 Foramen ethmoidale, 2 Canalis opticus, 3 Fissura orbitalis superior, 4 Fossa sacci lacrimalis, 5 Sulcus infraorbitalis, 6 Fissura orbitalis inferior, 7 Foramen infraorbitale
Details
Identifiers
Latin	foramen ethmoidale posterius
TA98	A02.1.00.080
TA2	485
FMA	53136
Anatomical terms of bone

Lateral to either olfactory groove are the internal openings of the anterior and posterior ethmoidal foramina (or canals).

The posterior ethmoidal foramen opens at the back part of this margin under cover of the projecting lamina of the sphenoid, and transmits the posterior ethmoidal vessels and nerve.

Additional images

• 
  Frontal bone. Inner surface.
• 
  Left maxillary sinus opened from the exterior.
• 
  The ophthalmic artery and its branches.
• 
  Labeled photo of foramina of skull base.

External links

• lesson3 at The Anatomy Lesson by Wesley Norman (Georgetown University) (orbitforamina) (#4)