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Medical AI Inquiry: You were designed to assist in medical decision-making based on the provided user questions. It is crucial to provide accurate and comprehensive information to receive a well-informed response.
user
Which of the following is false about optic nerve?
assistant
The correct answer is  Ans: b (Has ciliary ganglion on its medial side).Ref: Khurana, pg. 453-454Ciliary ganglion is a parasympathetic ganglion situated near the apex of orbit between optic nerve and tendon of lateral rectus. Therefore ciliary ganglion is in its lateral side.Ciliary ganglion has:Sensory root - from naso ciliary nerveSympathetic root - is a branch from internal carotid plexusPara sympathetic root - arises from nerve to inferior oblique It contains pre ganglionic fibres that begin in the Edinger-Westphal nucleus. Postganglionic fibres supply the sphincter pupillae and ciliary muscle.