[Historical considerations about medical helminthology].

A historical review of the medical helminthology beginning with the Nile religious ideas, the supremacy of the Aristotelian spontaneous generation, the Latin encyclopedism, the medieval transition, the decisive renacentist concept of "pathogenic parasite" until the new discoveries and the therapeutic progress because of the use of the microscope and the development of the experimental method. Finally, the situation in Venezuela, specially about the university teaching, is highlighted.