prepyloric atresia

congenital obstruction of the pyloric orifice of the stomach by an antral or pyloric membrane; infants vomit gastric contents only. Called also pyloric a.

Medical dictionary. 2011.

Look at other dictionaries:

  • pyloric atresia — prepyloric a …   Medical dictionary

  • antral membrane — a congenital abnormal membrane in the pyloric antrum, partially or completely blocking the gastric outlet. See also prepyloric atresia. Called also antral diaphragm or web …   Medical dictionary

  • pyloric membrane — a congenital abnormal membrane in the pylorus, partially or completely blocking the gastric outlet. See also prepyloric atresia. Called also pyloric diaphragm and pyloric web …   Medical dictionary

  • digestive system disease — Introduction       any of the diseases that affect the human digestive tract. Such disorders may affect the esophagus, stomach, small intestine, large intestine (colon), pancreas, liver, or biliary tract. A prevalent disorder of the digestive… …   Universalium

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