Dictionary

Enter a word or phrase below to search our online dictionary of over 1,300 general medical terms, or click on a letter of the alphabet to view all terms beginning with that letter:

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Search for 'K'

Phrase Definition
Kaposi's sarcoma Bluish-purple nodules of the skin that often bleed. These frequently occur in people who have AIDS.
keloid Excessive growth of scar tissue on the skin.
keratin The main protein of skin, hair and nails.
keratitis Inflammation of the cornea of the eye.
keratoconus A deformity of the cornea in which the cornea resembles the end of a football.
ketones The initial breakdown products of fatty acid metabolism. Unavailability of carbohydrates from starvation or uncontrolled diabetes mellitus increases the production of ketones. Too high a ketone level causes the blood chemistry to become acidic, a condition that's potentially life-threatening.
kidney A pair of organs in the upper abdominal cavity that separate the body's water and waste products from the blood and excrete them as urine through the bladder.
knee The complex hinge joint of the upper and lower leg involving the femur, tibia and patella.
knock-knee A deformity in which the knees rub together or touch each other in walking.