Duodenal bulb
The duodenal bulb (also ampulla of duodenum, duodenal ampulla, or duodenal cap) is the initial, dilated portion of (the superior part of) the duodenum just distal to the stomach; it begins at the pylorus and ends at the neck of the gallbladder. It is normally about 5 centimeters long.
| Duodenal bulb | |
|---|---|
Interior of the stomach. (There is no label for "Duodenal bulb", but the portion of the duodenum labeled at upper left is the duodenal bulb.) | |
| Details | |
| Identifiers | |
| Latin | ampulla duodeni, bulbus duodeni |
| Anatomical terminology | |
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