Medical Dictionary Definitions A-Z List
Medical Dictionary Definitions A - Z - «E»:
Esophageal ulcer: A hole in the lining of the esophagus
corroded by the acidic digestive juices secreted by the stomach cells. Ulcer formation is
related to H. pyloridus bacteria in the stomach, anti-inflammatory medications, and
smoking cigarettes. Ulcer pain may not correlate with the presence or...
Esophagectomy: An operation to remove a portion of
Esophagitis: Inflammation of the
esophagus. The esophagus is that soft tube-like portion of the digestive tract connecting
the pharynx with the stomach....
Esophagogastric tamponade: A procedure in which a
balloon is inflated within
the esophagus and stomach to apply pressure on bleeding
compress the vessels, and stop the bleeding. Used in the
bleeding veins in the esophagus (esophageal varices) and
Esophagogastroduodenoscopy: Also known as EGD or upper endoscopy. A procedure that enables the examiner (usually a gastroenterologist) to examine the esophagus (the swallowing tube), stomach, and duodenum (the first portion of small bowel) using a thin flexible tube (a "scope") that can be looked th...
Esophagoscopy: Examination of the esophagus using a thin, lighted
Esophagram: A series of X-ray images of the esophagus. The X-ray pictures are taken after
the patient drinks a barium solution that coats and outlines the walls of the esophagus. Also
called a barium swallow....
Esophagus: The tube that connects the pharynx (throat) with the stomach. The esophagus lies between the trachea (windpipe) and the spine. It passes down the neck, pierces the diaphragm just to the left of the midline, and joins the cardiac (upper) end of the stomach. In an adult, the esophagus is ab...
Esophagus cancer: See: Esophageal cancer....
Esotropia: Cross-eyed or, in medical terms, convergent or
Abbreviation for erythrocyte sedimentation rate, a blood test that detects and
monitors inflammation in the body. It measures the rate at which red
blood cells (RBCs) in a test tube separate from blood serum over
time, becoming sediment in the bottom of the test tube. The
ESRD: End-stage renal disease....
Essential: 1. Something that cannot be done without.
2. Required in the diet, because the body cannot make it. As in an essential amino acid or an essential fatty acid.
3. Idiopathic. As in essential hypertension. "Essential" is a hallowed term meaning "We don't know the cause."...
Essential fatty acid
Essential fatty acid: An unsaturated fatty acid
that is essential to human health, but cannot be
manufactured in the body. There are three types of essential fatty acids (EFAs): arachnoidic acid, linoleic acid, and linolenic acid. When obtained in the diet, linoleic acid can be converted to
Essential mixed cryoglobulinemia
Essential mixed cryoglobulinemia: A condition in which cryoglobulin proteins which are a mixture of various antibody types form for unknown (essential) reasons.
Cryoglobulins are abnormal blood proteins that, by definition, have the unusual properties of precipitating from the blood serum when it i...