SYN: platelet actomyosin.
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throm·bo·sthe·nin .thräm-bō-'sthē-nən n a complex of contractile proteins occurring in blood platelets
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throm·bo·sthe·nin (throm″bo-stheґnin) [thrombo- + stheno- + -in chemical suffix] a contractile protein of platelets, active in clot retraction.Medical dictionary. 2011.