Medical Dictionary Definitions A-Z List
Medical Dictionary Definitions A - Z - «E»:
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Endoscopic sphincterotomy
Endoscopic sphincterotomy: An operation to cut the muscle between the common bile duct and the pancreatic duct. The operation uses a catheter and a wire to remove gallstones or other blockages. Also called endoscopic papillotomy....
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Endoscopic ultrasound
Endoscopic ultrasound: Abbreviated EUS. A procedure that combines endoscopy and ultrasound to obtain images and information about the digestive tract and the surrounding tissue and organs. In EUS a small ultrasound transducer is installed on the tip of the
endoscope allowing the transducer to get c...
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Endoscopy
Endoscopy: Endoscopy is a broad term used to described examining the inside of the body using a lighted, flexible instrument called an endoscope. In general, an endoscope is introduced into the body through a natural opening like the mouth or anus. Although endoscopy can include examination of oth...
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Endoscopy, upper
Endoscopy, upper: A common type of endoscopy is upper endoscopy, also called esophagogastroduodenoscopy (EGD). In this procedure, a thin flexible instrument is advanced through the mouth to evaluate or treat problems of
the esophagus, stomach, and beginning part of the small intestine.
Endoscopy ...
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Endostatin
Endostatin: Endostatin is a piece
(a fragment) of a protein, collagen 18, found in
all blood vessels. This fragment is normally secreted by tumors. It appears to
halt the process of developing new blood vessels
(angiogenesis) which is
necessary to tumor development.
Endostatin may, it is hope...
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Endothelial
Endothelial: Relating to the endothelium, the layer of flat cells lining the closed spaces of the body such as the inside of blood vessels, lymphatic vessels, the heart, and body cavities.
By contrast, the outside layer of cells that
covers all the free, open surfaces of the body including the ski...
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Endothelial progenitor cell
Endothelial progenitor cell: A primitive cell made in the bone marrow that can enter the bloodstream and go to areas of blood vessel injury to help repair the damage. The number of endothelial progenitor cells in the blood is a risk factor for vascular disease. Depletion or senescence of endothelial...
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Endothelium
Endothelium: A layer of flat cells lining the closed
internal spaces of the body such as the inside of blood vessels and lymphatic vessels (that convey the lymph, a milky fluid) and the heart.
By contrast, the outside layer of cells that
covers all the free, open surfaces of the body including the ...
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Endotherm
Endotherm: An endotherm is a warm-blooded
animal (such as homo sapiens). Another term for us warm-blooded creatures is homeotherm.
An endotherm or homeotherm is as opposed to a poikilotherm (an organism such as a frog that is cold-blooded) and a stenotherm (a creature that can only survive only wit...
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Endotracheal tube
Endotracheal tube: A flexible plastic tube that is
put in the mouth and then
down into the trachea (the airway). The doctor inserts the
tube under direct vision with the help of a laryngoscope. The
procedure is
called endotracheal intubation. The purpose is to ventilate the
lungs.
...
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Endourologist
Endourologist: An endourologist is a urologist with special expertise in navigating, using endoscopic optical instruments and other tools, inside the kidney, ureter and bladder. Endourologists are specialists in treating diseases of these organs....
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Endovaginal ultrasound
Endovaginal ultrasound: This type of imaging test is a special form of
ultrasound developed to examine
the pelvic organs and is the best test for diagnosing an ovarian cyst. A cyst can be diagnosed based on its appearance on the ultrasound. An endovaginal ultrasound is a painless procedure that re...
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Endovascular aneurysm repair
Endovascular aneurysm repair: Abbreviated (and most often called) EVAR. See: EVAR....
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Enediyne
Enediyne: A very potent and naturally occurring antibiotic that acts by cleaving DNA. The adverse effects of enediynes on cells include mutagenicity (increase mutation), halting mitois (cell division) by arresting the cell cycle, and inducing apoptosis (programmed cell death). Enediynes were first i...
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Enema
Enema: Liquid injected into the rectum. An enema may be used for therapeutic (such as to stimulate evacuation of the bowels) or diagnostic (such as imaging studies of the gastrointestinal tract - barium enema) purposes....
