In a case of fracture of middle cranial fossa, lesion of which of the following structure result in absence of tears?
Correct Answer: Greater petrosal nerve
Description: Greater petrosal nerve is a branch of facial nerve. It traverse through the petrous pa of temporal bone, middle cranial fossa, pterygoid canal and pterygopalatine fossa to ultimately supply secretory function to the lacrimal gland. So in case of fracture of middle cranial fossa, this nerve is damaged which in turn lead to absent innervation of lacrimal glands and absent tears.
Category:
Anatomy
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