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A & P
Anatomy
17
Anatomy
Undergraduate 3
11/12/2011

Additional Anatomy Flashcards

 


 

Cards

Term
Name the structure of hearing
Definition
The outer ear, middle ear, and inner ear
Term
The inner ear controls these functions.
Definition
Hearing and balance.
Term
The outer ear is composed of these two main structures.
Definition
Auricle (Pinna)and External Auditory Meatus (EAM -ear canal)
Term
What is the function of the outer ears?
Definition
To channel sound into the ear
Term
What gives the ear its structure?
Definition
Helix, Concha, lobe, and Tragus
Term
What is the function of the outer ears?
Definition
To channel the sound into the ear
Term
What problems can stem from hearing impairment?
Definition
Speech problems, social problems, which both would lead to communications problems.
Term
What is the entrance to the middle ear?
Definition
EAM (External Auditory Meatus)
Term
Characterized by absence of the external ear canal.
Definition
Congenital Artresia
Term
The ear is lined w/?
Definition
lined w/ hair (cilia) and cerumen (earwax)
Term
What is function of the celia?
Definition
Hair filter and prevents DUST????
Term
What is function of the cerumen?
Definition
Pretect the ear canal from drying out. It also bitter and sticky which prevents intrusion of insect and other foreign bodies. It also water proofs
Term
Ear wax is what?
Definition
modified sebaceous glands (modified sweat glands)
Term
What marks the boundary between the out and middle ear?
Definition
Tympanic membrane
Term
Tympanic membrance is also known as?
Definition
The middle ear.
Term
Tympanic membrane is made up of?
Definition
Epithelial cells (epithelial lining)
Term
what are the three structural layers of the ear drums?
Definition
* A thin outer layer cutaneous layer, which is continuous from the EAM to the Tympanic membrane.
* A fibrous middle layer, responsible for the compliance of the eardrum.
* Internal layer of mucous membrane, which is continuous w/ the lining of the tympanic membrane.
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