Author: Glossary

A flat red skin lesion present in the second stage of pinta.  

A test for cutaneous pain receptors. A small, clean, sharp object such as a pin or needle is gently applied to the skin and the patient is asked to describe the sensation. One must be certain the patient is reporting the sensation of pain rather than that of pressure. Usually, application of the sharp object…

The fluid-filled vacuole formed during pinocytosis.  

Inflammation of the conjunctiva, usually characterized by redness, watery discharge, lid edema, itching, and a gritty sensation. Most commonly caused by a contagious viral infection. Depending on the cause, pinkeye may be treated conservatively (e.g., with warm, moist compresses) or with antibiotics when bacteria are the cause. This broad term encompasses any eye condition where…

A small perforation made by, or the size of that made by, a pin.  

A malignant tumor of the pineal gland of the brain.  

A malignant tumor of the pineal gland that may occur in childhood and early adulthood.  

Any disorder of the pineal gland.  

The principal cell of the pineal gland. It contains pale-staining cytoplasm and has long processes that terminate in bulbous expansions.  

A rare tumor, typically of the jaw, consisting of malignant epithelial cells with a polyhedral shape and deposits of cementum. It is often associated with an impacted tooth.