( ( The ( sweat ( gland ducts ) ) ) ( ( ( are ( ( ( small ( , ( dark structures ) ) ) , ) ( mostly ( ( far down ) ( in ( the dermis ) ) ) ) ) ) ( away ( from ( ( the ( surface epithelium ) ) ( of ( the skin ) ) ) ) ) ) . ) )
(ROOT (S (NP (DT The) (NN sweat) (NN gland) (NNS ducts)) (VP (VBP are) (NP (NP (JJ small) (, ,) (JJ dark) (NNS structures)) (, ,) (RRC (ADVP (RB mostly)) (PP (ADVP (RB far) (RB down)) (IN in) (NP (DT the) (NNS dermis))))) (ADVP (RB away) (PP (IN from) (NP (NP (DT the) (NN surface) (NN epithelium)) (PP (IN of) (NP (DT the) (NN skin))))))) (. .)))
The sweat gland ducts are small, dark structures, mostly far down in the dermis away from the surface epithelium of the skin.
(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)))))))) (. .)))