%0 Journal Article %T Ethos en la trayectoria de dos grupos de investigaci¨®n cient¨ªfica de ciencias b¨¢sicas de la salud %A Hamui Sutton %A Mery %J Revista de la educaci¨®n superior %D 2010 %I Universidades e Instituciones de Educaci¨®n Superior de M¨¦xico %X from theoretical and empirical elements, the ethos is analyzed in the trajectory of two groups of the basic sciences of health, immunochemistry and immunology, to explain how they produce scientific knowledge. for the ethos, the identity and the relations between the type of knowledge and the own guidelines of interaction of discipline, training and the attitude of the members reflect the actions among others were analyzed. an explanation over the path followed in the conformation, transition and consolidation of the ethos of the studied groups its also presented. %K investigation groups %K ethos %K organization %K trajectory %K basic sciencies of health. %U http://www.scielo.org.mx/scielo.php?script=sci_abstract&pid=S0185-27602010000200003&lng=en&nrm=iso&tlng=en