1. Plural of filopodium; thin, thread-like cytoplasmic projections extending from the surface of a cell, especially during cell migration and exploration.
Usage: biology; cell biology; plural form

Examples

• Under the microscope, the filopodia of the migrating cell extended outward like delicate fingers.
• Filopodia help cells sense their environment and navigate through tissue.
• The growth cone uses filopodia to explore the surrounding space during axon development.
• Researchers observed that filopodia retract when the cell encounters an obstacle.
• These cellular structures are composed primarily of actin filaments.