stress fiber (GO:0001725)

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.

General

actomyosin (GO:0042641) actin filament bundle (GO:0032432)

References

gene ontology: GO:0001725 PMID: 16651381