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.
Definition of Dermatoglyphics. Dermatoglyphics: The study of the patterns of ridges on the skin of the fingers, palms, toes, and soles. Dermatoglyphics are of interest in anthropology, criminology, and medicine, including dysmorphology (the study of congenital malformations) and the study of chromosome abnormalities such as trisomy 21 (Down syndrome).