Valve
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  Valve



Valve

    A fold in the lining of an organ that prevents fluid from flowing backward.

RELATED TERMS
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Organ
A structural unit of an animal or plant that serves a specific function.



SIMILAR TERMS
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Valvotomy
Balloon valvotomy is when a balloon is used to at the time of cardiac catheterization to increase the area of a narrowed valve.

Valvuloplasty
Plastic surgery to repair a valve, especially a heart valve.



PREVIOUS AND NEXT TERMS
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Vacuum extraction
Procedure used to ease delivery by applying a metal or plastic cup to the baby's scalp and using suction to pull the baby gradually out of the vagina.

Vaginal hysterectomy
Procedure in which the uterus is removed through the vaginal opening.

Vaginitis
Irritation, redness, or swelling of the vaginal tissues, usually resulting from a bacterial infection.

Vagotomy
An operation to cut the vagus nerve. This causes the stomach to make less acid.

Vagus nerve
The nerve in the stomach that controls the making of stomach acid.

Valve

Valvuloplasty
Plastic surgery to repair a valve, especially a heart valve.

Vasovagal
A transient vascular and neurogenic reactin marked by pallor, nausea, sweating, bradycardia and rapid fall in arterial blood pressure which can result in loss of consciousness.

Varices
Stretched veins such as those that form in the esophagus from cirrhosis.

Varicose vein
An abnormally dilated vein.

VATER
A word made from the first letters of a group of birth defects. It is used when all of these birth defects affect the same child. The birth defects are: A constellation of vertebral defects, anal atresia, tracheoesophageal fistula with oesophageal atresia, and renal and radial anomalies; associated with Fanconi's anaemia.

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