Ear, low-set
Ear, low-set: A minor anomaly involving an ear situated down below its normal location. The ear is low-set when the helix (of the ear) meets the cranium at a level below that of a horizontal plane through both inner canthi (the inside corners of the eyes). .
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- Ear, middle
Ear, middle: A part of the ear that consists of the eardrum (tympanic membrane) and, beyond it, a cavity (tympanum). This cavity is connected to the pharynx (nasopharynx) via a canal known as the Eustachian tube. The middle ear cavity also contains a chain of three little bones, the ossicles (the malleus, incus, and stapes), […]
- Ear, outer
Ear, outer: The part of the ear that is visible along the side of the head. 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. The outer […]
- Ear, slanted
Ear, slanted: An ear that is slanted more than usual, with the angle of the slope of the auricle more than 15 degrees from the perpendicular. Also called a malrotated ear.
- Earache
Earache: Pain in the ear. This can occur because of conditions within the ear itself, the ear canal, or the visible external portion of the ear. Acute infection of the middle ear, medically called acute otitis media (AOM), is inflammation of the middle ear and is the most frequent diagnosis in sick children in the […]
- Eardrum
Eardrum: The tympanic membrane of the ear, or tympanum. The eardrum separates the middle ear from the external ear.