( ( Leukocyte ( white ( blood cell ) ) ) . )
(ROOT (S (VP (VB Leukocyte) (NP (JJ white) (NN blood) (NN cell))) (. .)))
Leukocyte white blood cell.
(ROOT (S (NP (JJ Leukocytes) (NN blood) (NNS cells)) (VP (VBP are) (ADJP (JJ white))) (. .)))