The nasal bone (os nasale)joins the frontal spine and perpendicular plate of the ethmoid bone. It appears as the ethmoidal groove (sulcus ethmoidalis) which is created by the external nasal branch of the anterior ethmoidal nerve.
The nasal bone (os nasale)joins the frontal spine and perpendicular plate of the ethmoid bone. It appears as the ethmoidal groove (sulcus ethmoidalis) which is created by the external nasal branch of the anterior ethmoidal nerve.