( ( ( The ( next portion ) ) ( of ( the urethra ) ) ) ( ( ( ( is ( quite short ) ) and ) ( is ( ( entered ( by ( ( the ducts ) ( of ( ( two ( small glands ) ) ( similar ( in function ) ) ) ) ) ) ) ( to ( the prostate ) ) ) ) ) . ) )
(ROOT (S (NP (NP (DT The) (JJ next) (NN portion)) (PP (IN of) (NP (DT the) (NN urethra)))) (VP (VP (VBZ is) (ADJP (RB quite) (JJ short))) (CC and) (VP (VBZ is) (VP (VBN entered) (PP (IN by) (NP (NP (DT the) (NNS ducts)) (PP (IN of) (NP (NP (CD two) (JJ small) (NNS glands)) (ADJP (JJ similar) (PP (IN in) (NP (NN function)))))))) (PP (TO to) (NP (DT the) (NN prostate)))))) (. .)))
The next portion of the urethra is quite short and is entered by the ducts of two small glands similar in function to the prostate.
(ROOT (S (NP (DT The) (NN prostate) (NN gland)) (VP (VBZ secretes) (NP (PRP$ its) (NNS products)) (ADVP (RB directly)) (PP (IN into) (NP (DT the) (NN urethra))) (PP (IN through) (NP (JJ several) (JJ small) (NNS ducts))))))