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Pink eye
Pink eye Inflammation of the conjunctiva. Also called conjunctivitis.
RELATED TERMS--------------------------------------
Inflammation
A reaction to an injury to the body - by infection, chemicals or physical agents. The symptoms can be - depending on the location of the injury- redness, swelling, heat and pain. The purpose of the inflammation is to dilute and destroy the agent causing the inflammation. To do this, the immune system starts a cascade of actions that causes active cells to gather at the affected location. It is these cells and fluids that cause the redness, swelling, heat and pain.
Conjunctiva
The membrane lining the eyelids and covering the eyeball.
Conjunctivitis
An inflammation of the thin transparent tissue layer within the eye containing blood vessels. The conjunctiva covers the outer surface of the eyeball, starting at the limbus (edge of the cornea) and extends backward to form a recess under each lid before coming forward and covering the inside surface of each eyelid. It contains mucous secreting cells that allow the eye to move smoothly in various directions. It also helps lubricate the cornea during blinking. A contagious and treatable condition.
SIMILAR TERMS--------------------------------------
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Pigeon toe
A foot condition where the toes turn in.
Piles
See hemorrhoids.
Pilus
Hair.
Pimple
A small, elevated skin lesion.
Pinguecula
A yellowish spot on the cornea of the eye that sometimes occurs in the elderly.
Pink eye
Pinworm
A parasite, Enterobius vermicularis, that can cause intense itching around the anus.
Pityriasis
A skin condition in which the skin forms thin, dry scales.
Plague
1. Any contagious epidemic disease that is deadly. 2. An infectious disease caused by Yersinia pestis that can be spread from animals to humans and is normally spread to humans by fleas (called bubonic plague) or from person to person by respiratory droplets (called pnenmonic plague). Both forms have a high death rate.
Plantar
Having to do with the sole of the foot.
Pleurisy
Inflammation of the pleura.
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