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Normally, the esophagus (the tube that connects the mouth and the stomach) contracts to move food and liquids from the mouth to

An ostomy is a surgical procedure in which an opening is created in the body for the discharge of body wastes. The term ostomy is

Several types of hard and soft contact lenses are available. Consult an eye doctor who is willing to work with you to select the

Amylase is an enzyme that changes complex sugars (starches) into simple sugars during digestion. Levels of amylase in the blood

Lipase is an enzyme that helps digest fats. Its exact functions vary slightly depending on where in the body it is produced. The

Developmental dysplasia of the hip (DDH) is a condition in which the top of a baby's thighbone doesn't fit securely into the hip

Gives info on test for BNP hormone to tell how well the heart works. Tells how BNP checks for heart failure. Tells how to get

Coronary calcium scans use a special X-ray test called computed tomography (CT) to check for the buildup of calcium in plaque on

A testicular ultrasound (sonogram) is a test that uses reflected sound waves to show a picture of the testicles and scrotum. The

Weaning is the process of switching a baby from breastfeeding to bottle-feeding, from breast- or bottle-feeding to a cup, or