"Thrombocytosis (plural: thrombocytoses) is a general term and is defined as a rise in platelet count to over two standard deviations above the normal range. Its exact quantitative definition is variable, but generally equates to a platelet count greater than 400-450x109 cells/L."
"acute or chronic infection and inflammatory disorders (e.g. inflammatory bowel disease - Crohn disease)"
"recovery of bone marrow from stress (e.g. chemotherapy or alcohol)"