stress fiber
A contractile actin filament bundle that consists of short actin filaments with alternating polarity, cross-linked by alpha-actinin and possibly other actin bundling proteins, and with myosin present in a periodic distribution along the fiber.
GO:0042641
actomyosin
is_a
GO:0097517
contractile actin filament bundle
is_a
actin cable
related
stress fibre
exact