In this task, you are given a sentence. You are expected to write the name of the organism substances in the body mentioned in the input. Although there might be several correct answers, you need to write one of them.

[Q]:  At the site of the atheroma rupture , platelet - released TxA2 leads to downstream micro - vessel contraction and thrombus propagation ( 7 ) .
[A]: thrombus


[Q]:  In particular , Candida species are the 4th most common cause of nosocomial bloodstream infections in the United States , and Cryptococcus neoformans , the commonest cause of fungal meningitis worldwide [ 1 ] , [ 2 ] .
[A]: bloodstream


[Q]:  Moreover , reports by both American and British professional societies have led to a re - evaluation of the relative risks associated with plaque induced bacteremia when twice - yearly visits to dental professionals are compared to daily activities .
[A]:
plaque