( ( ( Adventitia - ) ( ( ( ( rich ( in blood ) ) vessels ) & ) ( lymph vessels ) ) ) . )
(ROOT (NP (NP (NNP Adventitia)) (: -) (NP (NP (ADJP (JJ rich) (PP (IN in) (NP (NN blood)))) (NNS vessels)) (CC &) (NP (NN lymph) (NNS vessels))) (. .)))
Adventitia -rich in blood vessels &amp; lymph vessels.
(ROOT (S (NP (JJ Lymph) (NNS vessels)) (VP (VBP are) (PP (IN like) (NP (NN blood) (NNS vessels))) (, ,) (SBAR (IN except) (S (NP (PRP they)) (VP (VBP move) (NP (NP (NN lymph)) (PP (RB instead) (IN of) (NP (NN blood)))))))) (. .)))