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.
For other uses, see etiology. Etiology (/iËtiËÉlÉdÊi/ ; alternatively aetiology) is the study of causation, or origination. The word is derived from the Greek Î±á¼°ÏÎ¹Î¿Î»Î¿Î³Î¯Î±, aitiologia, giving a reason for (Î±á¼°ÏÎ¯Î±, aitia, cause; and -Î»Î¿Î³Î¯Î±, -logia).tiology (/iËtiËÉlÉdÊi/ ; alternatively aetiology) is the study of causation, or origination.