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Equilibrium disorders
Equilibrium disorders Balance disorders.
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Balance
A biological system that enables us to know where our bodies are in the environment and to maintain a desired position. Normal balance depends on information from the inner ear, other senses (such as sight and touch) and muscle movement.
SIMILAR TERMS--------------------------------------
Equiluminant stimuli
Visual stimuli that vary only in color but not in luminance. Stereopsis and motion perception disappear at equiluminance indicating the presence of separate processing channels for color, motion and stereopsis.
Equinophobia
An abnormal and persistent fear of horses. Sufferers of equinophobia experience undue anxiety even when a horse is known to be gentle and well trained. They usually avoid horses entirely rather than risk being kicked, bitten or thrown. They may also fear other hoofed animals such as ponies, donkeys and mules.
Equipin
Equipin is a prescription or over-the-counter drug which is (or once was) approved in the United States and possibly in other countries. Active ingredient(s): homatropine methylbromide.
Equipoise
A state in which an investigator is uncertain about which arm of a clinical trial would be therapeutically superior for a patient. An investigator who has a treatment preference or finds out that one arm of a comparative trial offers a clinically therapeutic advantage should disclose this information to subjects participating in the trial. Ethically, subjects should only be entered or continue in a trial where equipoise exists for that subject.
Equivalence trial
A trial with the primary objective of showing that the response to two or more treatments differs by an amount which is clinically unimportant. This is usually demonstrated by showing that the true treatment difference is likely to lie between a lower and an upper equivalence level of clinically acceptable differences.
Equivalence zone
In a precipitin reaction, the region in which the concentration of antigen and antibody leads to maximal precipitation.
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Eosinophilic gastroenteritis
Infection and swelling of the lining of the stomach, small intestine, or large intestine. The infection is caused by white blood cells (eosinophils).
Epicardium
The membrane that covers the outside of the heart.
Epidural anesthesia
Method of pain relief used during surgery or childbirth in which an anesthetic is injected into a small area surrounding the spinal cord (the ePIDural space) to block pain nerve impulses from the lower half of the body.
Episiotomy
Incision made in the skin between the vagina and anus to enlarge the vaginal opening and facilitate childbirth.
Epithelial cells
One of many kinds of cells that form the epithelium and absorb nutrients. See also epithelium.
Equilibrium disorders
Eructation
Belching.
Erythrocyte sedimentation rate
blood test that measures the speed at which red blood cells settle on the bottom of a test tube; high sedimentation rate signals possible inflammatory disease.
Escherichia coli
Bacteria that cause infection and irritation of the large intestine. The bacteria are spread by unclean water, dirty cooking utensils, or undercooked meat. See also gastroenteritis.
Esophageal atresia
A congenital lack of continuity of the esophagus.
Esophageal reflux
See gastroesophageal reflux disease.
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