- The muscular membranous segment between the pharynx and the stomach in the upper gastrointestinal tract.
Definition from: MeSH via Unified Medical Language System at the National Library of Medicine
- A muscular tube that in adult humans is about nine inches (23 centimeters) long and passes from the pharynx down the neck between the trachea and the spinal column and behind the left bronchus where it pierces the diaphragm slightly to the left of the middle line and joins the cardiac end of the stomach.
Definition from: Merriam-Webster's Medical Dictionary by Merriam-Webster Inc.
- The muscular tube through which food passes from the throat to the stomach.
National Cancer Institute
See also Understanding Medical Terminology.