cranial nerves

There are 12 pair cranial nerves and 31 pairs of spinal nerves in humans

. These nerves connect the PNS to the CNS.
Most contain both afferent and efferent neurons;
however, the olfactory (smell) and optic (sight) contain
only afferent neurons.





1. Olfactory Bulb
2. Optic Nerve
3. Oculomotor Nerve
4. Trochlear Nerve
5. Trigeminal Nerve
6. Abducens Nerve
7. Facial Nerve
8. Vestibulocochlear Nerve
9. Glossopharyngeal Nerve
10. Vagus Nerve
11. Accessory Nerve
12. Hypoglossal Nerve

I.Tractus olfactorius
II.Nervus opticus
III.Nervus oculomotorius
IV.Nervus trochlearis
V.Nervus trigeminus
VI.Nervus abducens
VII.Nervus facialis
VIII.Nervus vestibulocochlearis
IX.Nervus glossopharyngeus
X.Nervus vagus
XI.Nervus accessorius
XII.Nervus hypoglossus