The ethmoid sinus (one of six sets of sinuses) is part of the paranasal sinus system and is located between the nose and eyes. It is very small at birth and becomes walnut-sized during puberty. The ...

Sinusitis occurs as a result of obstruction of the osteomeatal unit, which is located in the vicinity of the maxillary sinus ostium (Fig. 1). Because of obstruction, mucus accumulates inside the sinus ...

The anterior ethmoidal artery (AEA) plays a critical role in the vascular supply to the anterior cranial fossa and the paranasal sinuses. Its course through the ethmoidal labyrinth is marked by ...