This study deals with the terminology in Medicine articles of scientific popularization. Our interest is focused for the importance of building key word networks which allow for the bridging between technical-scientific and sociolinguistic terms, considering the diversity which the latter presents. Bridging this gap involves improving the level of informativity for the lay public to search for specialized knowledge in the areas that constitute the Health Sciences, specifically Medicine. Key words: terminology, terminological variation of Medicine, documentation, Medicine articles of scientific popularization, Applied Linguistics.