Cerebral aqueduct (Duct of Sylvius) - which is true:: (A) 3 cms in length, (B) Connects III. ventricle to IV ventricle, (C) Connects III. ventricle to IV ventricle, (D) Connects two lateral ventricles
Answer is B. B i.e., Connects HI ventricle to IV ventricle- Rhomboid fossa or floor of 4th ventricle has abducent motor nucleus, dorsal motor nucleus of vagus, hypoglossal nucleus, and facial nucleus.- 4th ventricle communicates through cerebral aqueduct of sylvius with 3rd ventricle.