The importance of the medieval stage in the Jewish religion has been passed over in the study of its evolution. Generally, the analysis of the religion's structural configuration is focused on the stages located on Antiquity, for it being precisely a vastly prolific stage in these regards. This investigation highlights the latency that the medieval times have gotten regarding Judaism's structure and function. We present a compilation of a series of elements, regarding multiple ambits like writings, religious practices, language, among others. When reviewing this selection of elements, there will be an awareness of the totally unchanged vitality of Medieval Judaism present in the actual one.