All of the following structures open into the middle meatus, EXCEPT:
Correct Answer: Post. ethmoidal sinus
Description: Posterior ethmoid sinus opens into superior meatus. Anterior ethmoid cells are divided into frontal recess cells, which open into the frontal recess of the middle meatus, infundibular cells which open into the ethmoid infundibulum and and bullae or middle ethmoid cells which open into the middle meatus. Maxillary sinus drain into the middle meatus of nasal cavity. The frontal sinus opens into the infundibulum of middle meatus through frontonasal duct. Sphenoid sinus opens into the sphenoethmoidal recess above and behind the superior nasal concha.
Category:
ENT
Get More
Subject Mock Tests
Practice with over 200,000 questions from various medical subjects and improve your knowledge.
Attempt a mock test nowMock Exam
Take an exam with 100 random questions selected from all subjects to test your knowledge.
Coming SoonGet More
Subject Mock Tests
Try practicing mock tests with over 200,000 questions from various medical subjects.
Attempt a mock test now