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The nasal fossae (bones), which together form the cavity of the nose and are separated from either other by the nasal septum.

The Nasal Bones

The nasal fossae (bones), which together form the cavity of the nose and are separated from either other…

Coronal section through nasal fossae; anterior half of section viewed from behind.

Nasal Fossae

Coronal section through nasal fossae; anterior half of section viewed from behind.

The nasal fossae (cavum nasi) are two irregular cavities in the middle of the face, separated by the septum nasi, opening in front by the anterior nares, behind by the posterior nares (choanae) into the naso-pharynx.

The Nasal Fossae

The nasal fossae (cavum nasi) are two irregular cavities in the middle of the face, separated by the…

Nerves of the outer walls of the nasal fossae. 1, network of the branches of the olfactory nerve, descending upon the region of the superior and middle turbinated region of the superior and middle turbinated bones; 2, external twig of the ethmoidal branch of the nasal nerves; 3, spheno-palatine ganglion; 4, ramification of the anterior palatine nerves; 5, posterior, and 6, middle division of the palatine nerves; 7, branch to the region of the superior and middle turbinated bones; 9, naso-palatine branch to the septum cut short.

Nerves of the Nasal Fossae

Nerves of the outer walls of the nasal fossae. 1, network of the branches of the olfactory nerve, descending…

The pituitary membrane (or the schneiderian) is the mucous membrane lining the nasal fossae.

The Pituitary Membrane

The pituitary membrane (or the schneiderian) is the mucous membrane lining the nasal fossae.