NERVE
SIMPLE AND UNDERSTANDING
, INTRODUCTION
• CRANIAL NERVES ARE 12 PAIRS OF NERVE THAT ARISES FROM THE BRAIN
DIRECTLY
• THE FIRST AND SECOND COMES FROM THE CEREBRUM THE TELENCEPHALON
AND DIENCEPHALON RESPECTIVELY
• THE REMAINING OF THE NERVES ORIGINATE FROM THE BRAINSTEM
( MEDULLA, MIDBRAIN, PONS)
• IN THIS ARTICLE WE SHALL LOOK AT THE ANATOMY OF THE CRANIAL NERVES.
, NAMES OF THE NERVES
• THE CRANIAL NERVES ARE 12 PAIRS AND THEY INCLUDE:
CN 1: OLFACTORY NERVE
CN 2: OPTIC NERVE
CN 3: OCULOMOTOR NERVE
CN 4: TROCHLEAR NERVE
CN 5: TRIGEMINAL NERVE
CN 6: ABDUCENT NERVE