Definition

1. Noun:
   • Anatomy: The pylorus is the lower, funnel-shaped opening of the stomach that connects to the duodenum (the first part of the small intestine). It contains a muscular ring (the pyloric sphincter) that controls the passage of partially digested food (chyme) from the stomach into the small intestine.

Usage and Examples

• Noun:
  • The doctor explained that the ulcer was located near the pylorus.
  • Digestion involves the regulated emptying of stomach contents through the pylorus.

Advanced Usage

• "Pyloric" (Adjective): Relating to the pylorus.
  • Pyloric stenosis is a condition where the pyloric sphincter muscle thickens, obstructing food flow.
• In Medical Context: Often discussed in relation to its function, disorders, or during surgical procedures.
  • The surgeon performed a pyloroplasty to widen the opening of the pylorus.

Variants and Related Words

• Pyloric Sphincter (Noun): The muscular valve surrounding the pylorus that regulates gastric emptying.
• Pyloroplasty (Noun): A surgical procedure to alter or widen the pyloric opening.
• Pyloric Stenosis (Noun): A narrowing of the pylorus, often seen in infants.

Synonyms

• Gastric outlet: A descriptive term for the terminal part of the stomach.
• (The) Pyloric opening/region: Alternative anatomical references.

Related Phrases and Terms

• Pyloric channel: The short, narrow passage of the pylorus.
• To pass through the pylorus: Describes the movement of chyme from the stomach.
  • Nutrients are absorbed after food passes through the pylorus.

Noun

1. a small circular opening between the stomach and the duodenum