What are the structures composing the outer ear?
The outer ear consists of the visible portion called the auricle, or pinna, which projects from the side of the head, and the short external auditory canal, the inner end of which is closed by the tympanic membrane, commonly called the eardrum.
Which structure is associated with the outer 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 are the outer parts of the ear called?
External or outer ear, consisting of: Pinna or auricle. This is the outside part of the ear. External auditory canal or tube.
What is involved in equalizing the pressure in the middle ear with the external air pressure?
The Eustachian tube, which opens into the middle ear, is responsible for equalizing the pressure between the air outside the ear and that within the middle ear.
What is the basic function of the outer ear quizlet?
Outer ear; external part(flap); helps locate the origins of sound; size has no affect. Outer ear; between outer ear and the inner ear; Tube connecting outer ear to middle; carries sound waves.
Which three structures make up the outer ear quizlet?
Terms in this set (13)
- Ear. Divided into 3 parts:
- External ear. -Composed of the auricle & external auditory canal.
- Auricle (pinna)
- External auditory canal.
- Tympanic membrane (eardrum)
- Cerumen.
- Middle ear.
- Middle ear: three tiny bones.
What structures are found in the outer middle and inner 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.
What are the 3 major parts of the ear?
The ear is made up of three different sections that work together to collect sounds and send them to the brain: the outer ear, the middle ear, and the inner ear.
Which of the following structures is not part of the external ear?
Pharyngotympanic tube is not a part of the external ear.
Which structure S is are involved in equalizing the pressure between the ear and the atmosphere quizlet?
The auditory, or eustachian, tube is another structure of the ear that joins the nasopharynx with the middle ear cavity. The eustachian tube (represented by the combining form salping/o) provides for an equalization of air pressure between the middle ear and the external atmosphere.
What is the structure and function of the human ear?
Human ear. The outer ear consists of the visible portion called the auricle, or pinna, which projects from the side of the head, and the short external auditory canal, the inner end of which is closed by the tympanic membrane, commonly called the eardrum. The function of the outer ear is to collect sound waves and guide them to the tympanic membrane.
What structures are in the outer ear?
The outer ear consists of the visible part of the ear or pinna, the external auditory canal (meatus), and the tympanic membrane (tympanum) or eardrum. The human pinna is formed primarily of cartilage and is attached to the head by muscles and ligaments.
What’s the structure of the ear?
structure of the ear The ear is made up of three distinct parts; hearing is controlled by the inner ear, which contains the sensory organs. Slender resistant elastic membrane; it vibrates when sound waves are received from the auditory canal, then transmits the waves to the ossicles.
What are the three parts of the ear?
The outer ear consists of the pinna (also called the auricle),ear canal and eardrum.