is tympanic membrane outer ear?
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The outer ear includes: auricle (cartilage covered by skin placed on opposite sides of the head) auditory canal (also called the ear canal) eardrum outer layer (also called the tympanic membrane)
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The 2 smallest striated muscles in the body, the tensor tympani and the stapedius, are contained within the middle ear. The tensor tympani muscle attaches to the superior portion of the malleus, and the stapedius muscle emerges from the pyramidal eminence to attach to the upper portion stapes.
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Outer ear infections are often very painful– especially when you touch or tug on your earlobe. Itching is common too. The skin in the ear canal is red and swollen, and sometimes also sheds skin flakes or oozes a liquid. The ear might then become blocked, making it difficult to hear properly.
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The peripheral hearing system consists of three parts which are the outer ear, the middle ear and the inner ear: The outer ear consists of the pinna (also called the auricle), ear canal and eardrum.
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Viral infections of the external ear canal, including varicella and herpes simplex infections and fungal otic infections. This medicinal product is for auricular use only, not for ophthalmic use, inhalation or injection.
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Tympanic membrane temperature as a measure of core temperature.
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Outer Ear Infections The skin inside the ear canal swells and the ear becomes tender, feeling blocked. Unfortunately, the common tendency to attempt cleaning the ear with cotton swabs (Q-tips) or irrigating it with solutions such as hydrogen peroxide, usually aggravates the condition.
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Identify the auditory ossicles housed within the petrous part of the temporal bone.
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Near the angles of the jaw are two openings, one on each side. These structures are known as Eustachian tubes. The Eustachian tube is a narrow passage leading from the mouth of the frog to the tympanic membrane. The Eustachian tube functions as a pressure equalizing valve.
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It consists of an air-filled cavity called the tympanic cavity and includes the three ossicles and their attaching ligaments; the auditory tube; and the round and oval windows. The ossicles are three small bones that function together to receive, amplify, and transmit the sound from the eardrum to the inner ear.
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The ossicles are situated in the middle ear and suspended by ligaments. They articulate with each other through synovial joints to form a chain across the length of the middle ear from the tympanic membrane (laterally) to the oval window (medially).
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But they differ from humans, and mammals in general, in that they don't have an outer ear structure. Instead, they have funnel-shaped ear openings located on both sides of their heads that are usually positioned just behind and slightly below the eyes, according to BirdNote.
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Otitis externa, also called swimmer's ear, is inflammation of the ear canal. It often presents with ear pain, swelling of the ear canal, and occasionally decreased hearing. Typically there is pain with movement of the outer ear. A high fever is typically not present except in severe cases.
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In otitis externa, there may be severe pain and a modest reduction in hearing, but generally there is no dizziness because otitis externa is separated from the inner ear by the ear drum and air filled middle ear.
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In the middle ear, the tympanic plexus is formed on the tympanic promontory by branches of Jacobson's nerve (tympanic branch of the glossopharyngeal nerve) and caroticotympanic nerves originating from the internal carotid artery plexus.
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Tympanic membrane. The tympanic membrane is a vital component of the human ear, and is more commonly known as the eardrum.
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The outer ear's shape helps to collect sound and direct it inside the head toward the middle and inner ears. Along the way, the shape of the ear helps to amplify the sound — or increase its volume — and determine where it's coming from. From the outer ear, sound waves travel through a tube called the ear canal.