noun (plural boluses)
- 1A small rounded mass of a substance, especially of chewed food at the moment of swallowing: mucin holds the particles of food together in a ball or bolusMore example sentences
- After passing the pharynx during swallowing, the food bolus enters the esophagus, which is positioned at approximately the level of the sixth cervical vertebra.
- On Midway Island in the Hawaiian chain, a bolus, or mass of chewed food, coughed up by one bird included many identifiable objects.
- Successively, ingestion, food transport to the processing teeth, chewing and bolus formation, and swallowing can be recognized.
- 2A type of large pill used in veterinary medicine.More example sentences
- All cows with a fever were administered a non-antibiotic regimen of aspirin boluses and probiotic capsules.
- Forage intake was estimated at Stillwater using slow-release chromic oxide boluses to estimate fecal output.
- Subsequently, the bolus is transferred to the digestive tract where it is chemically reduced.
- 2.1 Medicine A single dose of a drug or other medicinal preparation given all at once.More example sentences
- Our analysis shows that the two weak stages in the system are drugs that require multiple step preparation and administration of doses as a bolus.
- The drug bolus was followed by continuous infusion of 50 g/kg/hour until the experiment ended at 48 hours.
- Treatment was given intravenously as a bolus for the lowest two doses and as a 30-minute infusion for the two highest doses.
mid 16th century (denoting a large pill): via late Latin from Greek bōlos 'clod'.
More definitions of bolusDefinition of bolus in:
- The US English dictionary