What it means
The root in words about the pylorus, a ring of muscle that lets food leave the stomach a little at a time. pyloric stenosispy-LOR-ik steh-NOH-sisA narrowing of the outlet of the stomach in a young infant, caused by thickening of the pylorus muscle.pylor/o pylorussten/o narrow-osis conditionFull entry is a thickening of this muscle in infants that blocks the stomach outlet; a pyloromyotomy is the surgery that cuts the muscle to open it.
At a glance
| Also written | pyloro- |
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Related terms
gastr/o
A word part that means stomach.
duodenum
The first, short part of the small intestine, just after the stomach.
pyloric stenosis
A narrowing of the outlet of the stomach in a young infant, caused by thickening of the pylorus muscle.