External ear definitions
| Word backwards | lanretxe rae |
|---|---|
| Part of speech | The part of speech of the word "external ear" is a noun phrase. |
| Syllabic division | ex-ter-nal ear |
| Plural | externa ears |
| Total letters | 11 |
| Vogais (2) | e,a |
| Consonants (5) | x,t,r,n,l |
The external ear is the visible part of the ear that collects sound waves and channels them into the ear canal. It consists of the pinna (auricle), ear canal (external auditory meatus), and eardrum (tympanic membrane).
Structure of the External Ear
The pinna is the outer, visible part of the ear located on the side of the head. It helps to funnel sound waves into the ear canal. The ear canal is a tube-like structure that carries sound waves to the eardrum. The eardrum separates the external ear from the middle ear.
Function of the External Ear
The primary function of the external ear is to collect sound waves and direct them to the middle ear. The pinna acts as a funnel, capturing sound and guiding it into the ear canal. The ear canal amplifies sound and carries it to the eardrum, causing it to vibrate.
Protection of the External Ear
Aside from its role in hearing, the external ear also helps protect the middle and inner ear from foreign objects, dust, and bacteria. The ear canal produces ear wax (cerumen), which helps trap debris and prevent infections.
Common Issues with the External Ear
Some common issues that can affect the external ear include ear infections, swimmer's ear (otitis externa), and impacted ear wax. These conditions can cause pain, hearing loss, and discomfort. It is essential to seek medical attention if you experience any symptoms related to the external ear.
Conclusion
The external ear plays a crucial role in our ability to hear and maintain balance. Understanding its structure and function can help us appreciate the complexity of this sensory organ. Taking care of our external ear through regular cleaning and ear protection can help prevent issues and ensure optimal hearing health.
External ear Examples
- I gently cleaned my external ear with a cotton swab.
- The piercing was placed on her external earlobe.
- He felt a sharp pain in his right external ear.
- The doctor examined her external ear for any signs of infection.
- She wore a pair of earrings that dangled from her external ear.
- He covered his external ear to protect it from the loud noise.
- The external ear canal can collect dirt and debris if not cleaned regularly.
- She could hear the music clearly through her external ears.
- I felt a tickle on my external ear from a stray hair.
- He scratched his external ear absentmindedly while deep in thought.