( ( Normally ( in ( the epidermis ) ) ) ( , ( ( the melanocytes ) ( ( are ( ( independent units ) ( diffusely ( located ( among ( bottom layer ) ) ) ) ) ) . ) ) ) )
(ROOT (S (PP (ADVP (RB Normally)) (IN in) (NP (DT the) (NNS epidermis))) (, ,) (NP (DT the) (NNS melanocytes)) (VP (VBP are) (NP (NP (JJ independent) (NNS units)) (VP (ADVP (RB diffusely)) (VBN located) (PP (IN among) (NP (JJ bottom) (NN layer)))))) (. .)))
Normally in the epidermis, the melanocytes are independent units diffusely located among bottom layer.
(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))))))) (. .)))