Definition of jejunum in English:
noun (plural jejuna-nə)Anatomy
The part of the small intestine between the duodenum and ileum.
- The midgut eventually develops into distal duodenum, jejunum, ileum, caecum, appendix, ascending colon, and proximal two thirds of the transverse colon.
- Small bowel bleeding involving the jejunum and ileum is less common and more difficult to detect scintigraphically.
- Acute cholecystitis may cause the gall bladder to adhere to the adjacent jejunum or duodenum.
- Example sentences
- The distal duodenum and duodenal jejunal junction is especially susceptible to damage because it is fixed in position.
- Ileal and jejunal duplication cysts that contain ectopic gastric mucosa are also rare causes of false positive studies.
- The patient had 2 notable congenital abnormalities: multiple dissecting pulmonary arterial aneurysms distributed in both lungs and multiple jejunal atresia with apple-peel deformity.
Mid 16th century: from medieval Latin, neuter of jejunus 'fasting' (because it is usually found to be empty after death).
Definition of jejunum in:
- British & World English dictionary
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