( ( ( ( ( The dermis ) ( is ( ( the ( second ( major layer ) ) ) ( of ( the skin ) ) ) ) ) and ) ( it ( comprises ( ( ( ( ( collagen , ) elastin ) , ) and ) ( ( extrafibrillar matrix ) ( which ( ( provides ( structural support ) ) ( to ( the skin ) ) ) ) ) ) ) ) ) . )
(ROOT (S (S (NP (DT The) (NNS dermis)) (VP (VBZ is) (NP (NP (DT the) (JJ second) (JJ major) (NN layer)) (PP (IN of) (NP (DT the) (NN skin)))))) (CC and) (S (NP (PRP it)) (VP (VBZ comprises) (NP (NP (NN collagen)) (, ,) (NP (NN elastin)) (, ,) (CC and) (NP (NP (NN extrafibrillar) (NN matrix)) (SBAR (WHNP (WDT which)) (S (VP (VBZ provides) (NP (JJ structural) (NN support)) (PP (TO to) (NP (DT the) (NN skin)))))))))) (. .)))
The dermis is the second major layer of the skin and it comprises collagen, elastin, and extrafibrillar matrix which provides structural support to the skin.
(ROOT (S (NP (JJS Most) (NN skin) (NNS structures)) (VP (VB originate) (PP (IN in) (NP (DT the) (NNS dermis)))) (. .)))