A distinction can be made between proximal ageing (age-based effects that come about because of factors in the recent past) and distal ageing (age-based differences that can be traced back to a cause early in person's life, such as childhood poliomyelitis).
physiologic. pertaining to physiology; normal; not pathologic. physiologic saline solution (physiologic salt solution) (physiologic sodium chloride solution) a 0.9 per cent solution of sodium chloride and water; it is isotonic, i.e., of the same osmotic pressure as blood serum. It is sometimes given intravenously to replace lost sodium and chloride.
orthopedics in Medicine. orthopedics orÂ·thoÂ·peÂ·dics or orÂ·thoÂ·paeÂ·dics (Ã´r'thÉ-pÄ'dÄ­ks) n. The branch of medicine that deals with the prevention and correction of injuries or disorders of the skeletal system and associated muscles, joints, and ligaments.