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ARTERY OF TERTIA

Artery of TERTIA 1. Origin and Course • The Artery of Turgia is a branch of the ophthalmic artery. • It courses along the middle ethmoid sinus between the anterior ethmoid artery (AEA) and the posterior ethmoid artery (PEA). • It supplies the middle ethmoid air cells and part of the nasal mucosa. 2. Clinical Significance • The Turgia artery is not consistently present—it is a variant vessel found in approximately 30–50% of individuals. • When present, it is a key surgical landmark during endoscopic sinus surgery (ESS). • Injury to this artery can result in significant bleeding due to its anastomosis with the ophthalmic artery. • The Turgia artery is also relevant in skull base surgeries and procedures involving the ethmoid region, as it lies close to the lamina papyracea, making it prone to iatrogenic injury. ✅ Key Points: • Another name: Artery of Turgia • Location: Middle ethmoid region • Clinical importance: Important in sinus and skull base surgery, as injury can lead to bleeding complications #science #ear #biology #ent #nose #anatomy #nosebleed #otolaryngology #throathealth #tonsils