What structures make up the outer ear?
Table of Contents
What structures make up the outer ear?
The medical term for the outer ear is the auricle or pinna. 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.
What are the 2 main structures of the outer ear and what is their general function?
The outer ear is the external part of the ear. The function of the outer ear is to collect sound waves and to direct them into the ear. Important parts of the outer ear are the pinna, the ear canal and the ear drum.
What does the outer ear consist of quizlet?
The outer ear consists of the pinna, or auricle (the visible projecting portion of the ear), the external acoustic meatus (the outside opening to the ear canal), and the external ear canal, which leads to the eardrum. A part of the ear that consists of the eardrum and a cavity.
Which of these belongs to the outer ear?
The outer ear, external ear, or auris externa is the external part of the ear, which consists of the auricle (also pinna) and the ear canal. It gathers sound energy and focuses it on the eardrum (tympanic membrane)….
| Outer ear | |
|---|---|
| TA2 | 6862 |
| FMA | 52781 |
| Anatomical terminology |
Which tissue is found in the external ear?
A cross-sectional preparation of the external ear will show keratinized stratified squamous epithelium with underlying cartilaginous structure, and cerumen-producing glands may be visible. The middle ear will show non-keratinized stratified squamous epithelium.
What is the outer part of ear called?
Pinna
External or outer ear, consisting of: Pinna or auricle. This is the outside part of the ear.
What does the ear consist of?
The three sections are known as; the inner ear, the middle ear, the outer ear. The inner ear is made up of the cochlea, the auditory nerve and the brain. The middle ear consists of the middle ear bones called the ossicles (malleus, incus, stapes). The outer ear includes the pinna, the ear canal and the eardrum.
Which of the following is a function of the outer ear quizlet?
Responsible for gathering sounds from the acoustical environment and funneling them into the auditory mechanism.
What is the function of the external ear quizlet?
The three divisions of the ear function to provide the sense of hearing: -The external ear, from the pinna (or auricle), gathers sounds, which funnel through the external auditory canal.
What is the outer ear for?
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. Sound waves cause the eardrum to vibrate.
What is the structure and function of the ear?
The ear is the organ of hearing and balance. It consists of a cavity in the skull structure lined with soft tissue, which encloses three distinctive spaces filled with air or liquid (external, middle and inner ear); these distinctive spaces host both sound transmission mechanisms and sensory apparatuses.
What tissues are your ears made of?
It’s made of tough cartilage covered by skin. Its main job is to gather sounds and funnel them to the ear canal, which is the pathway that leads to the middle ear. Glands in the skin lining the ear canal make earwax, which protects the canal by cleaning out dirt and helping to prevent infections.
What is the meaning of outer ear?
(The outer ear refers to the ear canal [external auditory meatus], the cartilaginous tube that runs from the ear itself [the pinna] to the tympanic membrane).
What is the function of outer ear?
What is the outer part of the ear is called?
Pinna or auricle. This is the outside part of the ear.
Which of the following is a function of the outer ear?
The Outer Ear It collects sound waves and channels them into the ear canal (external auditory meatus), where the sound is amplified.
Which structure is part of the external ear quizlet?
The outer ear consists of the pinna, or auricle (the visible projecting portion of the ear), the external acoustic meatus (the outside opening to the ear canal), and the external ear canal, which leads to the eardrum.
What does the outer ear do?
What are the structures of the inner ear?
The inner ear has 3 main parts:
- Cochlea. The cochlea is the auditory area of the inner ear that changes sound waves into nerve signals.
- Semicircular canals. The semicircular canals sense balance and posture to assist in equilibrium.
- Vestibule.
What tissue is found in the external ear?
keratinized stratified squamous epithelium
A cross-sectional preparation of the external ear will show keratinized stratified squamous epithelium with underlying cartilaginous structure, and cerumen-producing glands may be visible. The middle ear will show non-keratinized stratified squamous epithelium.
