Chapter 21 — Pediatrics and NeonatologyPYL
pyloric stenosis/pī-LŌR-ĭk stĕ-NŌ-sĭs/
gastrointestinalcongenital hypertrophy of the pyloric muscle, causing projectile vomiting and gastric obstruction in infants
congenital hypertrophy of the pyloric muscle, causing projectile vomiting and gastric obstruction in infants