platelet

synonym: thrombocyte
https://doi.org/10.1351/goldbook.13580
Small irregular or disc-shaped cell found in large numbers in mammalian blood, essential for blood clotting.
Source:
PAC, 2012, 84, 1113. (IUPAC glossary of terms used in immunotoxicology (IUPAC Recommendations 2012)) on page 1230 [Terms] [Paper]