Heterosious Greek HETEROLOGIST, uneven, different and logos, relationship; 1 . Anatomy was said of any type of tissue or in any gland or morbid, sick, pathological, harmful and delicate organ or organ, which may lose consistency or original condition 2. Composed of different elements or similar elements, but in different proportions, asymmetrically 3 . specialist in heterology, behavioral study among people of different sex.