( Melanocytes ( ( are ( ( the cells ) ( that ( reside ( in ( ( the ( bottom portion ) ) ( of ( ( ( the epidermis ) , ) ( ( the ( outer ( most layer ) ) ) ( of ( skin cells ) ) ) ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (NNS Melanocytes)) (VP (VBP are) (NP (NP (DT the) (NNS cells)) (SBAR (WHNP (WDT that)) (S (VP (VB reside) (PP (IN in) (NP (NP (DT the) (JJ bottom) (NN portion)) (PP (IN of) (NP (NP (DT the) (NNS epidermis)) (, ,) (NP (NP (DT the) (JJ outer) (JJS most) (NN layer)) (PP (IN of) (NP (NN skin) (NNS cells))))))))))))) (. .)))
Melanocytes are the cells that reside in the bottom portion of the epidermis, the outer most layer of skin cells.
(ROOT (S (NP (NNS Melanocytes)) (VP (VBP are) (VP (VBN located) (PP (IN in) (NP (NP (DT the) (JJ bottom) (NN layer)) (PP (IN of) (NP (DT the) (NNS epidermis))))))) (. .)))