*** Welcome to piglix ***

Posterior ethmoidal canal

Posterior ethmoidal foramen
Foramen ethmoidale posterius.PNG
Base of the skull. Upper surface. (On the left, "Posterior ethmoidal foramen" is the 9thlabel from the right.
Orbita mensch.jpg
Details
Identifiers
Latin foramen ethmoidale posterius
Dorlands
/Elsevier
f_12/12373046
TA A02.1.00.080
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.

Frontal bone. Inner surface.

Left maxillary sinus opened from the exterior.

The ophthalmic artery and its branches.

Labeled photo of foramina of skull base.



...
Wikipedia

...