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.
Physiologic alterations often occur with a marked change of emotion regardless of whether the feelings are conscious or unconscious, expressed or unexpressed. See also emotional need, emotional response. Psychology A mood, affect or feeling of any kindâeg, anger, excitement, fear, grief, joy, hatred, love.