The ethmoid bone is a small, complex bone located in the skull between the eyes. It is a critical component of the facial skeleton, forming the bony framework for the nasal cavity and contributing to the orbit of the eye. Despite its importance, many people aren't familiar with the term "ethmoid bone." Some synonyms for this bone include the "os ethmoidale," "ethmoidal bone," "ethmoidal labyrinth," and "labyrinth bone." Regardless of the term used, the ethmoid bone is a vital structure that deserves recognition and understanding for its role in human anatomy.