Iamatology – study of remedies Iatrology – treatise or text on medical topics; study of medicine Iatromathematics – archaic practice of medicine in conjunction with astrology Ichnography – art of drawing ground plans; a ground plan Ichnology – science of fossilized footprints Ichthyology – study of fish Iconography – study of drawing symbols Iconology – study of icons; symbols Ideogeny – study of origins of ideas Ideology – science of ideas; system of ideas used to justify behaviour Idiomology – study of idiom, jargon or dialect Idiopsychology – study of the psychology of one's own mind Immunogenetics – study of genetic characteristics of immunity Immunology – study of immunity Immunopathology – study of immunity to disease Insectology – study of insects Irenology – study of peace Iridology – study of the iris; diagnosis of disease based on the iris of the eye