1. Small, thin fibers or filaments, especially those that form part of a larger structure in plants or animals.
Usage: Plural of fibril; Commonly used in biology and anatomy
2. In botany, fine root-like structures that branch from larger roots and absorb water and nutrients.
Usage: Botanical term
3. In anatomy, small strands of muscle or nerve tissue.
Usage: Medical/anatomical term

Examples

• The plant's root fibrils spread through the soil to absorb water.
• Under the microscope, the scientist observed the delicate fibrils of the tissue sample.
• Muscle fibrils contract to produce movement in the body.
• The fibrils in the leaf help transport nutrients throughout the plant.
• Nerve fibrils transmit signals between the brain and other parts of the body.
• The damaged fibrils in the tendon required careful treatment.
• Collagen fibrils provide strength and structure to connective tissue.