GENERAL HISTOLOGY

Detailed explanation-1: -The trigeminal nerve is the fifth cranial nerve (CN V) and the largest of the cranial nerves. Its primary function is to provide sensory innervation to the face and is divided into three main branches.

Detailed explanation-2: -The trigeminal nerve (CN V) is a mixed nerve containing both general sensory (afferent) fibers and somatic motor (efferent) fibers.

Detailed explanation-3: -The auriculotemporal nerve provides sensory innervation to the temporomandibular joint (branches of temporalis and masseter nerve also provide sensory innervation to the temporomandibular joint).

Detailed explanation-4: -Mixed cranial nerves are a group of cranial nerves that consist of sensory and motor nerve fibers. There are four such nerves in our peripheral nervous system namely the Trigeminal nerve (CN V), Facial nerve (CN VII) Glossopharyngeal nerve (CN IX), and Vagus nerve (CN X).

Detailed explanation-5: -The hypoglossal nerve is mainly a somatic efferent (motor) nerve to innervate the tongue musculature. The nerve also contains some sympathetic postganglionic fibers from the cervical ganglia, which innervates tongue vessels and some small glands in the oral mucosa.