EASY WAY TO REMEMBER CRANIAL NERVES

1. CRANIAL NERVES
PERIPHERAL NERVOUS SYSTEM
MS BHAWNA
NURSING TRAINER

2. INTRODUCTION
• CRANIAL NERVES ARE THE PAIR OF NERVES WHICH CONNECTS THE
BRAIN TO HEAD , NECK AND TRUNK .
• THEY ARE 12 IN NO.
• SOME EXHIBIT SENSORY FUNCTION, SOME EXHIBIT MOTOR FUNCTION
AND SOME SERVES BOTH FUNCTION
• THEY ARE NUMBERED AS ROMAN NUMBERS 1 TO XII AND NUMBER IS
ACCORDING TO THEIR PROXIMITY FROM FRONT OF HEAD
• FIRST 2 CRANIAL NERVES ARISE FROM THE CEREBRUM AND
REMAINING 10 ARISE FROM THE BRAIN STEM

4. CRANIAL NERVES

5. CRANIAL NERVE I
OLFACTORY NERVE
COMPONENT
• SENSORY
FUNCTION
• SMELL
ORIGIN
• OLFACTORY
RECEPTOR NERVE
CELLS

6. CRANIAL NERVE II
OPTIC NERVE
COMPONENT
• SENSORY
FUNCTION
• VISION
ORIGIN
• BACK OF
EYEBALL

7. CRANIAL NERVE III
OCCULOMOTOR NERVE
COMPONENT FUNCTION
• -RAISES UPPER
ORIGIN
• ANTERIOR SURFACE OF MIDBRAIN

8. CRANIAL NERVE IV
TROCHLEAR NERVE
• MOTOR
COMPONENT
• LATERAL MOVEMENT OF
EYEBALLS
FUNCTION
• POSTERIOR SURFACE OF
MIDBRAIN
ORIGIN

9. CRANIAL NERVE V
TRIGEMINAL NERVE
OPTHALMIC
NERVE
MAXILLARY
NERVE
MANDIBULAR
NERVE

10. CRANIAL NERVE
NERVE COMPONENT FUNCTION ORIGIN
OPTHALMIC SENSORY - CORNEA
- SKIN OF
FOREHEAD
- SCALP
- PARANASAL
SINUS
ANTERIOR
ASPECT OF
PONS
MAXILLARY SENSORY SKIN NEAR
MAXILLA
UPPER JAW
NOSE , SINUS ,
PALATE
SAME AS ABOVE
MANDIBULAR MIXED MASTICATION
CHEEK SKIN
SENSATION
LOWER JAW
SAME AS ABOVE

11. CRANIAL NERVE VI
ABDUCENS NERVE
ANTERIOR
SURFACE OF
HINDBRAIN
BETWEEN
PONS AND
MEDULLA
ORIGIN
LATERAL
MOVEMENT
OF EYEBALL
FUNCTION
MOTOR
COMONENT

12. CRANIAL NERVE VII
FACIAL NERVE
COMPONENT – MIXED
FUNCTION – SENSORY
TASTE FROM ANTERIOR PART OF
TONGUE , FLOOR OF MOUTH , PALATE
- MOTOR
- MUSCLES OF FACE AS WELL AS SCALP
- STRAPEDUS MUSCLE
- SECRETOMOTOR FUNCTION
- SUBMANDIBULAR AND SUB LINGUAL
SALIVARY GLANDS
- LACRIMAL GLAND
- GLANDS OF PALATE AND NOSE

13. CRANIAL NERVE VIII
VESTIBULOCOCHLEAR OR AUDITORY NERVE
• SENSORY
COMPONENT
• VESTIBULE
• COCHLEA
FUNCTION
• MEDULLA OBLONGATA
ORIGIN

14. CRANIAL NERVE IX
GLOSSOPHARYNGEAL NERVE
COMPONENT
MIXED
FUNCTION
SENSORY
- TASTE SENSATION , PHARYNX
MOTOR
- MUSCLES INVOLVE IN
SWALLOWING
ORIGIN
MEDULLA OBLONGATA

15. VAGUS NERVE
MEDULLA
OBLONGATA
ORIGIN
HEART AND
GREAT
THORACIC
BLOOD
VESSELS
- LARYNX
TRACHEA
LUNGS
FUNCTION
MOTOR
COMPONENT

16. CRANIAL NERVE XI
ACCESSORY NERVE
COMPONENT MOTOR
FUNCTION CRANIAL ROOT AND SPINAL ROOT MUSCLES
ORIGIN MEDULLA OBLONGATA

17. CRANIAL NERVE XII
HYPOGLOSSAL NERVE
COMPONENT - MOTOR
FUNCTION – MUSCLES OF TONGUE
ORIGIN – MEDULLA OBLONGATA

18. THANK YOU