Category: V

Condition in which the hind foot turns inward; usually associated with clubfoot. Abnormally turned in. Varus is an adjective used to describe a deformity in which a hand or foot is turned in toward the center of the body, such as bowlegs or a type of clubfoot. The opposite of varus is valgus. Describing any…

Surgical excision of the scrotal sac and dilated veins. Excision of a portion of the scrotal sac with ligation of the dilated veins to relieve varicocele. The surgical removal of a varicocele.  

A device for changing liquid medications to a gaseous state for the purpose of inhalation. A device used to convert a liquid into aerosol so it can be inhaled or the air made moist. Vaporizers produce steam to moisten the air. Humidifiers break up water into fine droplets without the use of heat; they are…

The urinary metabolite that is elevated in patients with pheochromocytoma. Metabolic product of catecholamines representing approx. 90% of the metabolites of catecholamines epinephrine and norepinephrine. VMA’s are secreted in the urine. Persons with pheochromocytoma produce excess amounts of catecholamines; thus, increased amounts of VMA are present in their urine.  

Surgical destruction of the vagus (X) nerve interrupting the impulses transmitted to the stomach and intestines.  

Fungal infection of the vagina.  

Treatment of intractable seizure disorder where electrical impulses are delivered in 30-second segments every five minutes by a device implanted in the anterior wall.  

Circulation of blood and nutrients between the embryo and yolk sac through the vitelline artery and vitelline vein in the developing fetus. The embryonic circulation of blood to the yolk sac via the vitelline arteries and its return to general circulation through the vitelline veins.  

Tiny particle known to cause some plant diseases and suspected of causing some human diseases. It is much smaller than a virus and consists of a short ribonucleic acid (RNA) chain and no protective protein coat. A small, naked, infectious molecule of RNA. Viroids differ from viruses by the absence of a dormant phase and…

Production of secondary male sex characteristics (e.g., deeper voice, increased facial and body hair, greater muscle bulk) in a female, usually the result of adrenal malfunction or the intake of certain drags, especially hormones. The development of masculine characteristics in a woman caused by overproduction of the male sex hormones (androgens) by the ovaries or…