1. a longitudinal fold of the intestinal wall that increases the surface area for absorption
Usage: anatomy; biology

Examples

• The earthworm’s typhlosole helps maximize nutrient absorption in its digestive tract.
• Students examined the typhlosole structure under the microscope during biology lab.
• The typhlosole is a key adaptation that improves digestive efficiency in many invertebrates.
• Researchers studied how the typhlosole develops during embryonic growth.
• The presence of a typhlosole distinguishes certain annelid species from others.