Gain a better understanding of medical terminology by searching our dictionary of more than 1,300 terms.

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  • suicide

    Taking one's own life.

  • bowel

    The tube involved in digestion and extending from the stomach to the anus. Consists of the small intestine and the large intestine.

  • chloasma

    Dark coloring of the skin often seen during pregnancy and at menopause. Also occurs in Addison's disease.

  • comedo

    A dark-topped plug of fatty material in the opening of a hair follicle. The color is the result of exposure of the fat to the air.

  • emesis

    Ejecting the contents of the stomach through the mouth.

  • German measles

    A mild childhood disease that causes fever and rash. Although rubella is mild in childhood, it's dangerous to pregnant women because it can cause birth defects. Also called rubella.

  • palsy

    Inability to move parts of the body.

  • pertussis

    A serious infectious respiratory disease of children. Named for the distinctive whooping sound made by the patient after a coughing spasm. Also called pertussis.

  • verruca

    A small, hard, abnormal growth of the skin or mucous membranes caused by a virus.

  • piles

    An enlarged vein inside or just outside the rectum.

  • thyroid gland

    A large endocrine gland located in the front and sides of the neck and below the Adam's apple. Essential for the regulation of growth and metabolism.

  • whiplash

    An injury of the neck or spine due to a sudden, severe bending of the neck.

  • wheal

    A pimple or small itchy elevation of the skin caused by an allergen.

  • vesicourethral reflux

    An abnormal condition that allows urine to flow from the bladder back into a ureter.

  • ulna

    The larger of the two bones of the forearm.

  • subdural

    Beneath the dura mater, the covering of the brain.

  • scarlet fever

    Fever and skin reaction caused by certain strains of streptococcus bacteria, usually following a streptococcal infection of the throat, middle ear or skin.

  • Rh factor

    One of the antigens present on red blood cells. Used in categorizing the type of blood a person has.

  • Raynaud's phenomenon

    A circulation disorder characterized by changes of blood flow, resulting in the hands and feet becoming pale, followed by redness and pain. This condition may be caused by cold, vibrations or emotions.

  • phenylketonuria (PKU)

    A rare inherited disorder. Causes an inability to metabolize phenylalanine, an amino acid that's a common part of many proteins that form tissues in the body. Left untreated, it causes severe mental retardation in infants.

  • phenylalanine

    An essential amino acid occurring in proteins. A small amount of phenylalanine is necessary in the diet to make the proteins that form human tissues.


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