blood clot
- A blood clot is a mass of coagulated blood that forms when blood changes from a liquid to a gel-like state, often to prevent excessive bleeding when a blood vessel is injured. nounThe doctor was concerned about the blood clot in the patient's leg.Blood clots can be dangerous if they travel to vital organs like the lungs or brain.
- In a broader medical context, a blood clot can refer to any aggregation of blood that has solidified, which can occur within the circulatory system and potentially lead to serious health issues. nounHe was hospitalized due to a blood clot that had formed in his coronary artery.Anticoagulant medications are often prescribed to prevent the formation of blood clots.