Trigeminal Nerve

Question 1

Unique features

Answer 1

Largest cranial Nerve

Sensory ganglion is largest and is located within the cranial cavity

Question 2

Functional components and nuclei

Answer 2

Special visceral efferent fibres- motor nucleus of trigeminal- supply muscles of 1st pharyngeal arch
General somatic afferent fibres- exteroceptive from skin of head and face, mucuous mb, nasal cavity- sensory nucleus and spinal nucleus
Proprioceptive- muscles, temp joint, teeth- mesencephalic nucleus

Question 3

Course

Answer 3

Small medial motor and large lateral sensory- mid cranial fossa- trigeminal ganglion- branches- ophthalmic, maxillary and mandibular. 
Ophthalmic- sup orbital fissure
Maxillary- foramen rotundum
Mandibular- foramen ovale
Motor root- joins mandibular