Plural of bolus; large pills or tablets, or rounded masses of chewed food or other substances in the digestive system.
From Latin and Greek 'bolus,' meaning a lump or mass. The term entered medical English to describe both pharmaceutical preparations and the lumps of food moving through the digestive tract.
Your throat performs an amazing feat every time you swallow—it must detect the bolus (that ball of food) and instantly trigger a coordinated sequence of 30+ different muscles in exactly the right order, a process so complex that robots still can't fully replicate human swallowing.
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