About the medial lemniscus, which of the following descriptions are correct ?（ ）
A.It originates from the gracile nucleus and cuneate nucleus. B.It conducts the sensation of fine touch (精细触觉 )from opposite side of trunk, upper limb and lower C.It conducts the proprioception （本体感受） from opposite side of trunk, upper limb and lower limb. D.It terminates the ventral posterolateral nucleus. E.It passes through the genu of internal capsule (内囊膝).正确答案ABCD
