Which of the following is decussated in superior medullary velum?
Correct Answer: 4th nerve
Description: ANSWER: (B) 4th nerveREF: Neurology: A Queen Square Textbook - page 516Trochlear nucleus (4th nerve) is located in the midline, just ventral to the cerebral aqueduct. Axons leave the nucleus and course dorsally around the aqueduct, decussates within the superior medullary velum and exit from the midbrain on its dorsal surface."Bilateral 4th nerve palsy may be due to a lesion in the superior medullary velum"
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