A slender threadlike object or fiber, especially one found in animal or plant structures.
The spider spun a delicate filament to create its web.
A conducting wire or thread with a high melting point, forming part of an electric bulb or vacuum tube and heated or made incandescent by an electric current.
The filament in the light bulb burned out, causing the room to go dark.
A long chain of proteins, such as actin or myosin, that is part of the cytoskeleton in cells.
The muscle contraction is facilitated by the sliding of actin and myosin filaments.
In botany, the slender stalk of a stamen that supports the anther.
Under the microscope, the filament of the flower's stamen appeared almost translucent.