Bloodletting was one of the most enduring and popular medical practices in history, originated by the Greeks and used up until the 19th century for, well, basically everything. If you were feeling under the weather back in the day there's a good chance it was because you just had too much damn blood.
eÂ·sophÂ·aÂ·gus. n. pl. eÂ·sophÂ·aÂ·gi (-jÄ«â², -gÄ«â²) also oeÂ·sophÂ·aÂ·gi. The muscular tube by which food passes from the pharynx to the stomach; the gullet.
The esophagus is a muscular tube about ten inches (25 cm.) long, extending from the hypopharynx to the stomach. The esophagus lies posterior to the trachea and the heart and passes through the mediastinum and the hiatus, an opening in the diaphragm, in its descent from the thoracic to the abdominal cavity.The esophagus has no serosal layer; tissue around the esophagus is called adventitia.he esophagus lies posterior to the trachea and the heart and passes through the mediastinum and the hiatus, an opening in the diaphragm, in its descent from the thoracic to the abdominal cavity. The esophagus has no serosal layer; tissue around the esophagus is called adventitia.