Drugs Information Online
Drugs and diseases reference index

Drugs and diseases reference index
Search
EN

Medical Dictionary Definitions A-Z List

Medical Dictionary Definitions A - Z - «E»:

  1. Ear puncture Ear puncture
    Ear puncture: Puncture of the ear drum may be due to an accident for example when something is stuck into the ear. Or it may be due to fluid pressure in the middle ear. Today the ear drum is occasionally punctured on purpose with surgery. A surgically placed tiny incision (a myringotomy) is made in ...
  2. Ear ringing Ear ringing
    Ear ringing: Together with other abnormal ear noises, ear ringing is medically called tinnitus. Tinnitus can arise in any of the four sections of the ear: the outer ear, the middle ear, the inner ear, and the brain. It can be due to many causes including ear infection, fluid in the ears, Meniere...
  3. Ear tag Ear tag
    Ear tag: Common minor anomaly, a rudimentary tag of ear tissue, often containing a core cartilage, usually located just in front of the ear (auricle). Therefore also called preauricular tag. The presence of 2 or more minor anomalies in a child increases the probability that the child has a major mal...
  4. Ear thermometer Ear thermometer
    Ear thermometer: A thermometer that registers body temperature via the ear canal. The ear thermometer was invented in 1964 by Dr. Theodor H. Benzinger. Dr. Benzinger worked from 1947 to 1970 at the Naval Medical Research Institute in Bethesda, Maryland where he studied temperature regulation and...
  5. Ear tubes Ear tubes
    Ear tubes: Formally known as tympanostomy tubes, ear tubes are small plastic tubes inserted into the eardrum (the tympanum) to keep the middle ear aerated for a prolonged period of time. To put the tubes in place, a myringotomy (a surgically placed tiny incision in the eardrum) is done. Any fluid, u...
  6. Ear wax Ear wax
    Ear wax: A natural wax-like substance secreted by special glands in the skin on the outer part of the ear canal. It repels water, and traps dust and sand particles. Usually a small amount of wax accumulates, and then dries up and falls out of the ear canal carrying with it unwanted particles. Ear wa...
  7. Ear, cauliflower Ear, cauliflower
    Ear, cauliflower: An acquired deformity of the external ear to which wrestlers and boxers are particularly vulnerable. The cause is damage due to trauma. When trauma causes a blood clot under the skin of the ear, the clot disrupts the connection of the skin to the ear cartilage. The cartilage h...
  8. Ear, external Ear, external
    Ear, external: There are three sections of the ear. They are the external ear, the middle ear, and the inner ear. The external ear looks complicated but it is functionally the simplest part of the ear. It consists of the pinna or auricle (the visible projecting portion of the ear), the externa...
  9. Ear, foreign object in Ear, foreign object in
    Ear, foreign object in: A foreign object in the external ear canal. Foreign objects are often placed in the ear by young children or by accident while trying to clean or scratch the ear. There is often an accompanying external ear infection. Removal of an object from the ear can be very difficul...
  10. Ear, inner Ear, inner
    Ear, inner: There are three sections of the ear. They are the external ear, the middle ear, and the inner ear. The inner ear is far and away the most highly complex. The essential component of the inner ear for hearing is the membranous labyrinth where the fibers of the auditory nerve (the nerve...
  11. Ear, internal Ear, internal
    Ear, internal: There are three sections of the ear. They are the external ear, the middle ear, and the internal ear. The internal ear is far and away the most highly complex. The essential component of the internal ear for hearing is the membranous labyrinth where the fibers of the auditory ner...
  12. Ear, low-set Ear, low-set
    Ear, low-set: A minor anomaly involving an ear situated down below its normal location. Technically, 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). The presence of 2 or more mino...
  13. Ear, malrotated Ear, malrotated
    Ear, malrotated: See Ear, slanted....
  14. Ear, middle Ear, middle
    Ear, middle: There are three sections of the ear. They are the external ear, the middle ear, and the inner ear. The middle ear consists of the ear drum (the tympanum or tympanic membrane) and, beyond it, a cavity. This cavity is connected via a canal (the Eustachian tube) to the pharynx (the n...
  15. Ear, outer Ear, outer
    Ear, outer: There are three sections of the ear. They are the outer ear, the middle ear, and the inner ear. The outer ear looks complicated but it is functionally the simplest part of the ear. It consists of the pinna or auricle (the visible projecting portion of the ear), the external acoustic ...