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Horizontal Wrinkles of the Deep Canal Epithelium
The horizontal "wrinkles" seen in the deep canal epithelium are the result of normal migration that occurs as part of the self cleansing properties of the external ear canal epithelium. As the...
Cerumenolytics That Do Work
The only cerumenolytics that are truly effective are based in an aqueous solution. A piece of cerumen is placed in each test tube and an aqueous solution was added 24 hours previously. These solutions...
Cerumenolytics That Do Not Work
A piece of cerumen has been placed in each of these test tubes and then three different nonaqueous organic proprietary "cerumenolytics" has been added to the test tube 24 hours previously. As...
Brown Cerumen After Application of an Aqueous...
This is the result of a small piece of ground cerumen which is been placed in a petri dish to which a 10% solution of sodium bicarbonate in water has been added. As the "cerumenolytic" takes...
Brown Cerumen before Application of an Aqueous...
This plug of cerumen has been placed in a petri dish and is shown before the application of an aqueous solution of 10% sodium bicarbonate and water. The concept that there is any "wax" in earwax...
Smoke From Ear Candling
The light grey coating over this right tympanic membrane is the result of recent ear candling.
Tuberculous Laryngitis
Endoscopic laryngeal findings of a patient with tuberculous laryngitis showing greyish-pale exudates with ulceration and granulations formation. Prolonged unsettled coughs and persistent hoarseness were...
![Normal Epithelial Migration of the Tympanic Membrane and External Auditory Canal [osmium stain]](https://medtube.net/images/min/7af5925e92646a7a4ceb9bcf485e1248/149/112/1 "Normal Epithelial Migration of the Tympanic Membrane and External Auditory Canal [osmium stain]")
Normal Epithelial Migration of the Tympanic Membrane...
This cadaveric specimen of this left tympanic membrane has been stained with osmium which shows thickened patches of keratin as the surface of the epithelium migrating centrifugally.
![Normal Migration of the Epithelial Surface of the Tympanic Membrane [Ink Dot]](https://medtube.net/images/min/dda07753c80b67b15a9a2f48290d13bf/149/112/1 "Normal Migration of the Epithelial Surface of the Tympanic Membrane [Ink Dot]")
Normal Migration of the Epithelial Surface of...
The epithelial layer of the tympanic membrane and the external canal skin has an amazing self cleansing property which is referred to as epithelial migration. This patient had a dot of India ink applied...
Normal Tympanic Membrane Displaying the Chorda...
The chorda tympani nerve can be seen passing horizontally behind the malleus in this normal right tympanic membrane.
Normal Tympanic Membrane Light Reflex
The white reflection seen in the four o'clock position of this normal right tympanic membrane is a reflection of the otoscopic light. This is the area of the tympanic membrane that is situated directly...
Adenocarcinoma Invading External Auditory Canal
The reddish knobbly mass seen on the anterior canal wall is an adenocarcinoma of the parotid Invading the external auditory canal of this left ear.
Peripheral Tympanic Membrane Perforation with...
Tympanic membrane perforations can be classified into central and peripheral. Peripheral perforations as seen here are frequently associated with a cholesteatoma whereas central perforations are not....
Atelactasis
The posterior superior quadrant of this right tympanic membrane has been retracted medially because of years of eustachian tube dysfunction and increased negative pressure in the middle ear. One can clearly...
Adenocarcinoma External Ear Canal
The reddish knobbly lesion extending into the anterior canal wall of this left ear is in adenocarcinoma of the parotid which has extended posteriorly.
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Michael Hawke
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Gottumukkala Raju
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Ashley Mark
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Gastroenterology Atlas
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SAGES - Society of American Gastrointestinal and Endoscopic Surgeons
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High Impact - Medical Animation
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Orthopaedic Academy
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World Health Summit
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