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Lumen
Lumen
The hollow area within a tube.
SIMILAR TERMS--------------------------------------
Lumenhance
Lumenhance 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): manganese chloride tetrahydrate.
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Liver enzyme tests
Blood tests that look at how well the liver and biliary system are working. Also called liver function tests.
Low density lipoprotein (LDL)
The main function of LDL is to carry cholesterol to various tissues throughout the body.
Lower back or lumbar spine
A complex structure that connects the upper body to the lower body; consists of vertebrae, disks, spinal cord, and nerves.
Lower esophageal sphincter
The muscle between the esophagus and stomach. When a person swallows, this muscle relaxes to let food pass from the esophagus to the stomach. It stays closed at other times to keep stomach contents from flowing back into the esophagus.
Lower GI series
X-rays of the rectum, colon, and lower part of the small intestine. A barium enema is given first. Barium coats the organs so they will show up on the x-ray. Also called barium enema x-ray.
Lumen
Lymph nodes
Small glands clustered in the neck, armpits, abdomen, and groin that supply infection-fighting cells to the bloodstream and filter out bacteria and other antigens.
Lymphadenectomy
A procedure in which lymph nodes are taken from the body for purposes of diagnosing or staging cancer.
Lymphangiogram
An x-ray that uses a special dye to determine whether cancer has spread to the lymph nodes.
Labor
The process of childbirth, in which the rhythmic contractions of the uterine muscles open the cervix and allow a baby to be born.
Labor room
A room designed to accommodate a woman's labor, delivery, and recovery.
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