Intermediate filament

Definition

Intermediate filaments are a component of the cytoskeleton in eukaryotic cells that provide mechanical support and maintain cell shape. They are fibrous proteins that assemble into cables, playing a critical role in cell integrity and structure.

Related terms

Cytoskeleton: The network of protein fibers within a cell that gives it shape, allows it to move, and organizes its parts.

Microtubules:

Hollow tubes made of tubulin proteins that help in cell division and serve as tracks for the movement of organelles within the cell.

Actin Filaments: Thin fibers composed of actin proteins involved in cell movement, muscle contraction, and division