Enter a clue or pattern or both:
The ClueAgents in blood clotting (9 letter answer)
NotesThe answer PLATELETS is so rare that it appears less than once every 2500 puzzles.
Related CluesCoagulant bodies in the blood
Tiny bodies that aid coagulation
DefinitionPLATELET as a noun:
1. (platelet, blood platelet, thrombocyte) = tiny bits of protoplasm found in vertebrate blood; essential for blood clotting