actin filament bundle of stereocilium
A bundle of hundreds of cross-linked actin filaments (an actin cable), that is the supporting structure of a stereocilium. Filaments are oriented such that the the plus (barbed) ends are at the tip of the protrusion and are capped by a tip complex which bridges to the plasma membrane.
GO:0098859
actin filament bundle of actin-based cell projection
is_a
GO:0032420
stereocilium
part_of