Abstract Aggregating Dictyostelium cells secrete cyclic AMP to attract their neighbours by chemotaxis. It has now been shown that adenylyl cyclase is enriched in the rear of cells, and this localisation is required for normal aggregation. Dictyostelium discoideum cells undergo a major lif

SUMMARYThis article looks at medical approaches to women’s fertility in Argentina in the 1930s and explores the ways in which eugenics encouraged the reproduction of the fit and attempted to avoid the reproduction of the unfit. The analysis concentrates on three main aspects: biotypology (the scie

AbstractDisplacing the physiological model that had held sway in 19th-century medical thinking, early 20th-century medical scientists working on hormones promoted a new understanding of the body, psychological reactions, and the sexual instinct, arguing that each were fundamentally malleable. Hormon

AbstractThis article analyses a selection of Nicola Pende’s studies from the 1920s on ‘endocrinological abnormalities’ associated with impotence, a lack of virility in men, a lack of femininity in women, and homosexuality. By analysing endocrinological sexual theories and treatments, it aims t

Abstract This essay explores how hormone treatments were used to optimize and normalize individuals under Italian Fascism. It does so by taking the activities of the Biotypological Orthogenetic Institute − an Italian eugenics and endocrinological centre founded by Nicola Pende in 1926 − as the p