What part of the ear is the pinna?
outer ear
The auricle (pinna) is the visible portion of the outer ear. It collects sound waves and channels them into the ear canal (external auditory meatus), where the sound is amplified. The sound waves then travel toward a flexible, oval membrane at the end of the ear canal called the eardrum, or tympanic membrane.
Where is the pinna located quizlet?
Outer rim of the ear. the Inner rim of the ear it Begins at top of the Lobe and ends in the concha, it Bifurcates into two branches, called the CRURA of the Helix.
Is pinna and earlobe the same?
The auricle or auricula is the visible part of the ear that is outside the head. It is also called the pinna (Latin for “wing” or “fin”, plural pinnae), a term that is used more in zoology….Auricle (anatomy)
| Auricle | |
|---|---|
| TA98 | A15.3.01.002 |
| TA2 | 104, 6863 |
| FMA | 56580 |
| Anatomical terminology |
What does the pinna do quizlet?
A skin covered cartilaginous structure encircling the opening to the external auditory canal. The pinna directs the sound into the ear canal. A one-inch long tube extending medially into the temporal bone and terminating at the eardrum. The skin lining contains hair follicles and wax-secreting glands.
What does the cochlea do quizlet?
It collects sound and directs it into the outer ear canal. the tube through which sound travels to the eardrum. It translates sound waves from the outer ear into the form of pressure waves.
What is the outside of ear called?
External or outer ear, consisting of: Pinna or auricle. This is the outside part of the ear. External auditory canal or tube. This is the tube that connects the outer ear to the inside or middle ear.
What is the medical term for the outer flap of the ear called?
The outer ear is called the pinna and is made of ridged cartilage covered by skin. Sound funnels through the pinna into the external auditory canal, a short tube that ends at the eardrum (tympanic membrane).
Are there any bones in your outer ear?
The canal is approximately an inch in length. The skin of the ear canal is very sensitive to pain and pressure. Under the skin the outer one third of the canal is cartilage and inner two thirds is bone.
What happens inside the cochlea quizlet?
What happens inside the cochlea? – Vibrations transmitted through the tympanic membrane and the oval window cause waves of pressure changes, called traveling waves, to travel down the vestibular canal in the cochlea from the base to the apex.
How are sound waves transmitted through the outer middle and inner ears quizlet?
At the outer ear, sound waves are focused by the pinna down the ear canal to the eardrum. The sound waves make the eardrum vibrate. The vibrations are amplified by the middle ear bones: the hammer, anvil and stirrup. The stirrup transfer the vibrations to the cochlea within the inner ear.
Which is considered the most common type of permanent hearing loss?
Sensorineural hearing loss The most common type of hearing loss is sensorineural. It is a permanent hearing loss that occurs when there is damage to either the tiny hair-like cells of the inner ear, known as stereocilia, or the auditory nerve itself, which prevents or weakens the transfer of nerve signals to the brain.
What are the different parts of the outer ear?
The outer ear is made up of cartilage and skin. There are three different parts to the outer ear; the tragus, helix and the lobule. The ear canal starts at the outer ear and ends at the ear drum. The canal is approximately an inch in length.
Is there a bone in your ear cartilage?
The skin of the ear canal is very sensitive to pain and pressure. Under the skin the outer one third of the canal is cartilage and inner two thirds is bone.
What is the outside part of your ear called?
Pinna
External or outer ear, consisting of: Pinna or auricle. This is the outside part of the ear. External auditory canal or tube.
What is the cochlea and where is it located quizlet?
The inner ear located within the temporal bone. The cochlea consists of important structures for hearing including the inner and outer hair cells, the basilar membrane, the stria vascularis, and others.
