The cranial nerve nuclei and their central connections

cranial nerve nuclei and their central connections and distributions
Dr. Md. Saiduzzaman
neurology resident
Mymensingh Medical College, Bangladesh.

1. The Cranial Nerve Nuclei and Their Central Connections and Distribution Dr. Md. Saiduzzaman MD Resident(Neurology) Phase A Mymensingh Medical College

2. Cranial nerves: Nerves which emerge directly from the brain. Olfactory N. 11. Accessory N. Optic N. 12. Hypoglossal N. Oculomotor N. Trochlear N. Trigeminal N. Abducent N. Facial N. Vestibulocochlear N. Glossopharyngeal N. Vagus N.

3. Sensory cranial nerves: # Olfactory(I) # Optic(II) # vestibulocochlear (VIII) Motor cranial nerves: # Oculomotor (III) # Trochlear (IV) # Abducent (VI) # Accessory(XI) # Hypoglossal(XII)

4. Mixed cranial nerves: # Trigeminal(V) # Facial(VII) # Glossopharyngeal (IX) # Vagus (X)

5. Olfactory pathway

6. VII. Facial Nerve √ Component: Mixed(Motor, general & special sense) √ Function: 1. Motor supply to muscles of facial expression,auricular muscles,the stapedius , stylohyoid muscles. 2. parasympathetic supply to lacrimal and salivary glands. 3. General sensory from ant. 2/3 rd of tongue,floor of the mouth, soft palate. Taste sense from ant. 2/3 rd of tongue. √ Exit from skull: Styloid foramen.

7. Thank you all