Frontal Sinus Bone Anatomy. Petrous part petrous pyramid. On axial planes it sits just posterior to the sphenoid sinusesIt is medial to the foramen lacerum the internal carotid artery reaches the middle.
Posterior ethmoidal and sphenopalatine arteries. The temporal line crosses the external surface of the frontal bone of a dog. The right and left frontal sinuses are located in the center of the forehead frontal bone just above each eye.
Posterior ethmoidal and sphenopalatine arteries.
Posterior ethmoidal nerve and the orbital branch of the pterygopalatine ganglion Gross anatomy. The clivus is a shallow depression behind the dorsum sellae of the sphenoid bone. The sphenoid sinuses are paired spaces formed within the body of the sphenoid bone. In dog skull anatomy you will find an irregular-shaped frontal bone that possesses some peculiar osteological features.
