Note 53 — THE INDIVIDUAL ORGANISM WITH REGARD TO FORM AND METABOLISM (continued 2)

That compensatory hypertrophy cannot be due to “functional adaptation”—to be analysed later on—was proved by an experiment of Ribbert’s. Compensation may occur before the function has made its appearance, as was shown to be the case in the testicles and mammae of rabbits. (Arch. Entw. Mech. 1, 1894, p. 69.)