(anatomy, relational) Of or pertaining to the ethmoid bone.

(anatomy) A light spongy cubical bone at the root of the nose, forming much of the walls of the nasal cavity and part of those of the orbits and having many perforations through which the olfactory nerves pass to the nose.

(anatomy, relational) Of or pertaining to the ethmoid bone.

plural of ethmoid

inflammation of the ethmoid bone

The bone of the skull between the eyes and at the roof of the nose.

(anatomy) Any of several paranasal sinuses enclosed within the ethmoid bone.

plural of ethmoid bone

plural of ethmoid sinus