bolus
/ˈboʊləs/
noun
- A small, rounded mass of a substance, especially chewed food ready to be swallowed.
- The doctor explained that a bolus of food can sometimes get stuck in the esophagus.
- He took a sip of water to help move the bolus down his throat.
- After chewing thoroughly, she formed the food into a soft bolus and swallowed.
- A single dose of a drug or other substance given all at once, often intravenously.
- The nurse administered a bolus of pain medication through the IV line.
- For severe allergic reactions, a bolus of epinephrine may be injected immediately.
- The patient received a bolus of saline solution to quickly raise blood pressure.