1. the middle section of the digestive tract in vertebrates, including the small intestine
Usage: anatomy
2. the middle section of the digestive system in arthropods and other invertebrates
Usage: biology

Examples

• The midgut is where most nutrient absorption occurs in mammals.
• Insects have a three-part digestive system consisting of the foregut, midgut, and hindgut.
• The midgut develops from the embryonic endoderm during fetal development.
• Digestive enzymes are secreted into the midgut to break down food particles.
• The butterfly’s midgut processes nectar from flowers.
• Scientists studied the midgut bacteria in mosquitoes to understand disease transmission.