PASALAMAT MONG LOVE TAMO ANSWER WELL NAMO MATUG NAKO

Involved in Hearing ONLY

• THE EXTERNAL EAR

• THE MIDDLE EAR

• INNER EAR

• ANTERIOR EAR

collects sound through air

Funnel-like structure

• Pinna

• Eardrum

• auditory canal

• VESTIBULE

As sound waves enter, they change the pressure on the eardrum.

• External auditory canal

• Auricle

• Tympanic Membrane

• Malleus

Tags

NGSS.MS-PS4-1

thin layer of the skin on its outer surface and a mucosa membrane in the inside. Has an oval margin and cone-shaped with the apex facing inward.

• Eardrum

• Eustacian tube

• Tensor tympani

• Cochlea

Tags

NGSS.MS-LS4-2

What cranial Nerve Innervates the Tensor tympani

• Accessory nerve (Cranial Nerve XI)
• Trigeminal nerve (Cranial Nerve V)
• Vestibulocochlear nerve
  (Cranial Nerve VIII)

• Facial nerve (Cranial Nerve VII)

What cranial Nerve Innervates the Stapedius

• Trigeminal nerve (CN V)
• Vestibulocochlear nerve (CN VIII)
• Glossopharyngeal nerve (CN IX)
• Facial nerve (CN VII)

Conducts air between tympanic cavity and the outside of body by way of nose and mouth.

• External Acoustic Meatus

• Eustachian tube
• Ear Canal

• Auditory tube

AKA Hammer Bone

• Malleus

• Incus

• Pinna

• Stapes

AKA know as the anvil

• malleus
• stapes
• tympanic membrane
• incus

What is the smallest bone in the ear

• malleus
• incus
• auricle

• stapes