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.
A plant physiologist is a scientist who concentrates on studying, understanding and often teaching the integral biological processes of plants.These professionals spend most of their time conducting research on certain elements of plant life.iology and the organic nature of plant life is foundational, but the day-to-day work of an average plant physiologist involves a high degree of both chemistry and math. Physiologists study the internal workings of plants, often on a cellular level.