Definitions

Ampulla

• One in a series of spinose and setose ridges surrounding border between esophagus and stomach. [Stachowitsch, 1992]
• One of two spinose or setose internal ridges on each side of foregut. Serves in crushing food. [Stachowitsch, 1992]
• In digestive tract, diverticulum at junction of posterior (pyloric) stomach, digestive ceca, and midgut.
  (syn. pars ampullaris) [Stachowitsch, 1992]

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Citing this glossary: For individual definitions, please cite the specific author(s) of the definition.
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Martin, J.W., N.D. Pentcheff, D. Striley, C. Perrodin, A.R. Wall, J. Wall, and J. Zieba (editors). Crustacea Glossary. Crustacea Department, Natural History Museum of Los Angeles County. Accessed: 31 Mar 2025. URL: https://research.nhm.org/glossary