diverticulum
noun [ C ] medical specialized uk/ˌdaɪ.vəˈtɪk.jə.ləm/ us/ˌdaɪ.vɚˈtɪk.jə.ləm/ diverticula /ˌdaɪ.vəˈtɪk.jə.lə/ /ˌdaɪ.vɚˈtɪk.jə.lə/
憩室
a small pocket that forms inside a hollow structure in the body, especially inside one of the tubes of the digestive system, because of a medical problem
While diverticula are more common in the lower intestines, they can also appear in the upper intestines, causing pain in the upper stomach. 憩室在肠道下半部更为常见，但是有时也会出现在肠道上半部，造成上腹部疼痛。
- More examples
- Nine of the patients were found to have a diverticulum.
- Increased pressure of muscle spasms can cause the inner layers of tissue, the mucosa and submucosa, to herniate through the openings, forming diverticula.
- Congenital cardiac diverticulum is a rare heart abnormality.
- Renal sonography may not show any evidence for a urethral diverticulum.