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Medical Dictionary Starting with V

V/Q Lung Scans

Images produced by radionuclide scanning of the lungs; used to help diagnose a pulmonary embolism

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Vaccination

A form of immunization in which killed or weakened microorganisms are placed into the body, where antibodies against them are developed; if the same types of microorganisms enter the body again, they ...

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Vaccine

A preparation of weakened microorganisms given to create resistance to a certain disease

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Vaccinia

Cowpox; also called Variola vaccina A disease originating in the cow, with which, if the human body be inoculated, it is preserved from the contagion of smallpox

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Vacuum Aspiration

Removal of the contents of the uterus using a suction device

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Vacuum Extraction

A technique used to facilitate childbirth using a suction device to help move the baby through the birth canal

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Vagabond's Disease

Phthiriasis; Dermatitis due to lice, fleas and scratching

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Vagina

The muscular passage connecting the uterus with the outside genitals; a component of the female reproductive system

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Vaginismus

An involuntary muscle spasm at the opening of the vagina when sexual intercourse is attempted; can be quite painful and may make sexual intercourse nearly impossible

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Vaginitis

Inflammation of the vagina, which can be the result of infection, aging, a hormone deficiency, or a foreign object (such as a tampon)

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Vagus Nerve

Cranial nerve X; extends from brainstem through organs in neck, thorax & abdomen; also called pneumogastric nerve

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Valgus

Bent outward, a deformity in which the angulation of the distal part is away from the midline of the body

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Valve

A structure that allows fluid flow in only one direction

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Valves (of the heart)

Maintain unidirectional flow of blood by opening and closing depending on the difference in pressure on each side

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Valvotomy

Surgical correction of a narrowed heart valve

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Valvular Heart Disease

A heart valve defect Endocarditis, valvulitis

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Valvulitis

Inflammation of a valve or valvula, especially a cardiac valve

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Valvuloplasty

Reconstruction or repair of a narrowed heart valve

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Vanillism

A disease occurring among those who sort vanilla pods, due to contact with an insect found in the pods

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Vapors / Vapours

A name for hypochondriasis, spleen, or depression of spirits

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Variceal Hemorrhage

Bleeding from stretched and weakened blood vessels, especially in the esophagus or stomach

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Varicella

The medical term for chickenpox

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Varices

Enlarged or twisted blood or lymph vessels

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Varicocele

The appearance of varicose veins around the testicles; commonly occurs and is harmless, but may cause discomfort

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Varicose Vein

A dilated tortuous vein, usually in the subcutaneous tissues of the leg, often associated with incompetency of the venous valves

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Varicotomy

Surgical removal of varicose veins

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Variola

A disease is characterized by fever, with pustules appearing from the third to fifth day, and suppurating from the eighth to the tenth, and it possesses all the distinctive properties of the major exa...

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Variola Minor

Alastrim or Cottonpox or Kaffir Milk Pox or Milkpox or Pseudovariola or Whitepox or West Indian Modified Smallpox; A mild form of smallpox caused by a less virulent strain of the virus; of low mortali...

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Varioloid

This is, really, small pox, modified by previous inoculation or vaccination; and hence it has been properly called modified small pox

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Varix

An abnormally dilated or swollen vein, artery, or lymph vessel

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Varus

Bent inward, denoting a deformity in which the angulation of the distal part is toward the midline of the body

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Vas Deferens

A thin tube that stores and transports sperm

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Vascular

Pertaining to blood vessels

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Vasculitis

Inflammation of blood vessels

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20000+ Medical & Health Terms for Doctors, students & patients from a medical dictionary. Our experts define difficult medical & health language in easy-to-understand explanations of each and every medical term.

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