Transcript special senses

SPECIAL SENSES
THE EAR
PARTS OF THE EAR
THE OUTER EAR
• AURICLE AKA
PINNA
• EAR CANAL AKA
EXTERNAL AUDITORY
MEATUS
AURICLE
•ACTS AS A
FUNNEL FOR
SOUND WAVES
PARTS OF THE EAR
MIDDLE EAR
• EARDRUM AKA
TYMPANIC MEMBRANE
• MALLEUS
• INCUS
• STAPES
• EUSTACHIAN TUBE
EARDRUM
•A MEMBRANE THAT
IS STRETCHED
ACROSS THE END
OF THE EAR CANAL
AND VIBRATES WITH
SOUND WAVES
EUSTACIAN TUBE
•REGULATES AIR
PRESSURE BY
PERMITTING AIR TO
ENTER OR LEAVE
THE MIDDLE EAR
PARTS OF THE EAR
INNER EAR
•COCHLEA
•UTRICLE AND
SACCULE
•SEMICIRCULAR
CANALS
COCHLEA
•LOOKS LIKE A SNAIL
•CONCERNED WITH
HEARING
SEMICIRCULAR
CANALS
•CONCERNED
WITH
BALANCE
AND
EQUILIBRIUM
HEARING
THE CRANIAL
NERVE FOR
HEARING AND
BALANCE IS
CRANIAL
NERVE VIII –
THE
ACOUSTIC
NERVE.
HEARING
•FROM THE
ACOUSTIC NERVE,
THE IMPULSE
TRAVELS TO THE
CEREBELLUM,
MIDBRAIN, AND THE
TEMPORAL LOBES.
COCHLEAR
IMPLANT
COCHLEAR
IMPLANT