( ( Elastic properties ) ( of ( skin ( -LRB- ( ( ( epidermis and ) dermis ) -RRB- ) ) ) ) )
(ROOT (NP (NP (JJ Elastic) (NNS properties)) (PP (IN of) (NP (NP (NN skin)) (PRN (-LRB- -LRB-) (NP (NP (NNS epidermis)) (CC and) (NP (NNS dermis))) (-RRB- -RRB-))))))
Elastic properties of skin (epidermis and dermis)
(ROOT (S (NP (DT The) (NNS dermis)) (VP (VBZ contains) (NP (NP (JJS most)) (PP (IN of) (NP (NP (DT the) (NNS structures)) (VP (VBN found) (PP (IN in) (NP (NN skin)))))))) (. .)))