There are multiple definitions:
- juvenile idiopathic arthritis(English) 
- jejunoileal atresia(English) - a rare malformation with an incidence of 2.1 per 10,000 live births. The male:female ratio is 1:2. Sixty-four percent are premature, 21% has associated cardiac anomalies, 16% abdominal wall defects, 7% urogenital malformations, and 7% cystic fibrosis
- Gastroenterology
- https://doi.org…ped.2021.665022