Please be sure to eat all the food that is recommended on the Nutrisystem meal plan. You could be at risk of health issues if you do not maintain a healthy diet. 1  If you're pregnant, you may not join the Nutrisystem program.  If you're a nursing mother, you may not join the Nutrisystem program.
Quick Answer. According to The Free Dictionary, etiology, also spelled aetiology, is the study of exploration of the cause or factors contributing to something. In pathology, it specifically denotes the investigation into the cause or origins of a disease.
anatomy (n.) late 14c., study or knowledge of the structure and function of the human body (learned by dissection); c. 1400, anatomical structure, from Old French anatomie and directly from Late Latin anatomia, from late Greek anatomia for classical anatome dissection, literally a cutting up, from ana up (see ana-) + temnein to cut (from PIE root *tem-to cut).