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 'U'

Phrase Definition
ulcer A localized sore in the skin or mucosal surfaces.
ulcerative colitis A chronic inflammatory disease of the large intestine characterized by bloody diarrhea.
ulna The larger of the two bones of the forearm.
umbilical cord A tough, cord-like structure connecting the fetus to the placenta for nourishment.
umbilicus The scar at the site of attachment of the umbilical cord. The navel or belly button.
ungual Having to do with the nails.
uremia The buildup in the blood of substances normally eliminated in the urine.
ureter A narrow tube that transfers urine from the kidney to the bladder.
urethra The tube that allows the bladder to empty outside the body.
urethral stricture A narrow area of the urethra that blocks the flow of urine.
urethritis Inflammation or infection of the urethra.
urinary bladder The organ that serves as a temporary storage place for urine. Also called the bladder.
urine The fluid composed of water and waste products that's secreted by the kidneys.
urogenital Having to do with the urinary system and genitals.
urology The branch of medicine that deals with the urinary system in women and the urogenital system in men.
uterus A hollow muscular organ in women where the ovum (egg) is deposited and the embryo and fetus are developed.
uvula The fleshy mass hanging down from the soft palate above the back of the tongue.