umbilical hernia

https://doi.org/10.1351/goldbook.11340

Protrusion of bowel or omentum through the abdominal wall at the umbilicus.

Source:
PAC, 2016, 88, 713. (Glossary of terms used in developmental and reproductive toxicology (IUPAC Recommendations 2016)) on page 817 [Terms] [Paper]