Which type of reins a rider uses, split reins or one rein, is a matter of personal preference. Split reins are commonly seen in the Western riding disciplines, although some Western riders might use one rein. Split reins are heavily preferred by most working cowboys and cowgirls.
Antimicrotubule agent, mitotic inhibitor Oncology An agent that inhibits cancer growth by stopping cell division Pharmacology A drug that inhibits or blocks mitosis in a particular phase of the cell cycleâeg, metaphase arrest caused by colchicine and vinca alkaloids. See Chemotherapy.
Antimycin is a mitochondrial inhibitor which is involved in the energy-coupling site of the respiration system. Antimycin works by inhibiting the flow of electrons from cytochrome b to cytochrome c1. It was first discovered as a potent fungicide which was produced by a species of Streptomycin. determined a few years later.