A muscular tube that transports swallowed food and liquid from the pharynx through the thorax and diaphragm into the stomach.
Propels swallowed food and liquids from the pharynx to the stomach via coordinated peristaltic contractions.
Posterior mediastinum of the thorax, descending from the pharynx at C6 through the esophageal hiatus of the diaphragm.
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The hepatic portal vein collects nutrient-rich blood from the digestive tract and delivers it directly to the liver for processing.
The pancreas serves both digestive and endocrine roles, supplying enzymes to the small intestine while releasing insulin and glucagon into the blood.
The esophagus passes through the muscular diaphragm, and abdominal wall muscles support the abdominal viscera.