Category: P

A tumor composed of elements of papilloma, adenoma, and cystoma.  

Having the characteristics or appearance of papillae.  

A well-differentiated thyroid cancer, and the most common form of thyroid cancer in the U.S. Most thyroid cancers of this type grow slowly and respond well to treatment. They are usually identified as a thyroid nodule and are best diagnosed with fine needle aspiration biopsy. Treatment includes surgical removal of the thyroid gland, followed by…

The duodenal end of the drainage systems of the pancreatic and common bile ducts; commonly, but inaccurately, called the ampulla of Vater.  

The projections around the opening of the parotid duct into the oral cavity.  

A conical process of the corium that projects into the undersurface of a hair bulb. It contains capillaries that nourish the hair root.  

Any animal disease that is widespread.    

Inflammation that affects all the structures of the eye.  

A subspecies of chimpanzee believed to be the primary host of human immunodeficiency virus (HIV) before the illness became epidemic in humans.  

An oil-based, iodine-containing contrast medium used to outline body structures during radiographic or fluoroscopic examinations, such as myelograms.