<prompt> Trigeminal nerve has how many nucleus?2345  <response>: Ans. C.4Trigeminal nerve has four nuclei - 3 sensory and 1 motor nucleus.The sensory nucleus is divided into three parts, from rostral to caudal top to bottom:a. The mesencephalic nucleusb. The chief sensory nucleus or main sensory nucleus or principal nucleusc. The spinal nucleus 