Category: E

The characteristic high-pitched voice of a male in whom the normal sexual development has not occurred or in a male who was castrated before puberty.  

A virus that was accidentally discovered in human feces and is not known to be associated with a disease; thus the name “orphan.” Initially, 33 echovirus serotypes were designated, but numbers 10 and 28 have been reclassified. Various serotypes have been associated with aseptic meningitis, encephalitis, acute upper respiratory infection, enteritis, pleurodynia, and myocarditis.  

Vertigo from an unknown cause.  

Vertigo accompanying or following an epileptic attack.  

Vertigo that may occur in epidemic form. It is believed to be due to vestibular neuronitis.  

A vein that drains blood from the lower limb and abdominal wall and joins the common iliac vein.  

A tortuous dilatation of an esophageal vein, especially in the distal portion. It results from any condition that causes portal hypertension, typically cirrhosis of the liver.  

The outermost opening of the nose (i.e., the alar rim).  

A rare, benign vaginitis with gas-bubble formation in the vaginal wall.  

Uric acid derived from purines from food made up of free purines and nucleic acids.