1033
One of the major objectives in the study of thrombogenesis is to determine the mechanisms by which a hematopoietic progenitor is activated and committed to the megakaryocytic lineage .
 cell type: hematopoietic progenitor; cell type: megakaryocytic lineage
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: cell line, protein, RNA, DNA, cell type 
Text: {0} 
Answer:
 cell type: hematopoietic progenitor; cell type: megakaryocytic lineage