If youâre concerned about disc protrusions, a general list of symptoms to watch for include: 1  Discomfort, numbness and tingling in the affected area and associated limbs. 2  Localized neck and back pain. 3  General stiffness and soreness, especially in the morning or after periods of inactivity. 4  Sciatica. 5  Muscle weakness.
Definition of ETIOLOGY. 1. : cause, origin; specifically: the cause of a disease or abnormal condition. 2. : a branch of knowledge concerned with causes; specifically: a branch of medical science concerned with the causes and origins of diseases.
In medicine, etiology refers to the many factors coming together to cause an illness. It is normally the focus of epidemiological studies. The etiology of scurvy is a good example. With scurvy, sailors going to sea often lacked fresh vegetables.