Gastrointestinal Tract
| Definition: |
Generally refers to the digestive structures stretching from the MOUTH to ANUS, but does not include the accessory glandular organs (LIVER; BILIARY TRACT; PANCREAS). |
| Previously Indexed: |
Gastrointestinal System (1965-2003) |
Gastrointestinal Tract Categories.
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Intestines - The section of the alimentary canal from the STOMACH to the ANUS. It includes the LARGE INTESTINE and SMALL INTESTINE. |
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Lower Gastrointestinal Tract - The segment of GASTROINTESTINAL TRACT that includes the small intestine below the DUODENUM, and the LARGE INTESTINE. |
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Pharynx - A funnel-shaped fibromuscular tube that conducts food to the ESOPHAGUS, and air to the LARYNYX and LUNGS. It is located posterior to the NASAL CAVITY; ORAL CAVITY; and LARYNX, and extends from the SKULL BASE to the inferior border of the CRICOID CARTILAGE anteriorly and to the inferior border of the C6 vertebra posteriorly. It is divided into the NASOPHARYNX; OROPHARYNX; and HYPOPHARYNX (laryngopharynx). |
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Upper Gastrointestinal Tract - The segment of GASTROINTESTINAL TRACT that includes the ESOPHAGUS; the STOMACH; and the DUODENUM. |
Gastrointestinal Tract Definitions and Terms
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