noun
- a small colorless cell fragment in blood that helps with clotting
Usage: medical
Examples
- Platelets help stop bleeding when you get a cut.
- The doctor ordered a blood test to check her platelet count.
- Low platelet levels can cause excessive bruising.
- Platelets clump together to form blood clots.
- The patient needed a platelet transfusion before surgery.
- Normal platelet counts range from 150,000 to 450,000 per microliter.