Anatomy

2. *
*
*

3. Cranial Nerve V
5 th

4. V. Trigeminal Nerve

5.  Component: Sensory
 Function:
 Cornea
 Skin of forehead
 Scalp
 Eyelids and nose
 Mucous membranes of paranasal
sinuses and nasal cavity
 Opening to the Skull: Superior orbital fissure
 Origin: Anterior aspect of the pons

6. Infratrochlear

7. V1. Ophthalmic Nerve

8. o Component: Sensory
o Function:
o Skin of the face over maxilla
o Teeth of the upper jaw
o Mucous membrane of the nose, the
maxillary sinus and palate
o Opening to the Skull: Foramen ovale
o Origin: Anterior aspect of the pons

9. V2. Maxillary Nerve

10. o Component: a. Motor
o Function:
o Muscles of mastication
o Mylohyoid
o Anterior belly of digastric
o Tensor veli palatine
o Tensor tympani
o Opening to the Skull: Foramen Rotundum
o Origin: Anterior aspect of the pons

11. • Component: b. Sensory
• Function:
• Skin of cheek
• Skin over mandible and side of head
• Teeth of lower jaw and TMJ
• Mucous membrane of mouth and anterior
part of tongue
• Opening to the Skull: Foramen Rotundum
• Origin: Anterior aspect of the pons

12. V3. Mandibular Nerve

13. Cranial Nerve VII
7 th

14.  Component: Mixed
 Function:
Motor
• muscles of the face and scalp
• Stapedius muscle
• Posterior belly of digastric
• Stylohyoid muscles
 Function:
Sensory
• Taste from ant. 2/3 of tongue, from the floor of the
mouth and palate

15.  Opening to the Skull: internal acoustic
meatus, facial canal, stylomastoid foramen
Function:
Secretomotor
• Submandibular and sublingual salivary glands
• Lacrimal gland
• Glands of nose and palate
 Origin: Medulla oblongata

16. VII. Facial Nerve

17. Cranial Nerve IX
9 th

18.  Component: Mixed
 Function:
• Motor
• Stylopharyngeus
muscle – assists
swallowing
 Function:
• Sensory
• General sensation and
taste from post. ½ of the
tongue and pharynx
• Carotis sinus and carotid
body
 Function:
• Secretomotor
• Parotid gland

19.  Opening to the Skull: Jugular foramen
 Origin: Medulla oblongata

20. IX. Glossopharyngeal Nerve

21. Cranial Nerve XII
12 th

22.  Opening to the Skull: Hypoglossal canal
 Component: Motor
 Function: Muscles of tongue (except
palatoglossus controlling its shape
and movement)
 Origin: Medulla oblongata

24. END