In higher vertebrates as arch-shaped cavity located between the top of the skull base and the oral
Translated by Google
Cavity inside the nose, the two left and right, the walls have fine hairs
Cavity inside the nose, left and right two walls with fine hairs. Olfactory mucosa in the upper cells, can distinguish between smells. Shang Yue "premeditated" Six: "At the same time and feel your inference too funny, uttered from a short nasal sneer."