Medical Definition of afferent. : bearing or conducting inward; specifically : conveying impulses toward the central nervous systemâcompare efferent.
Imperial Weight Units. The imperial system of weights, or more correctly the avoirdupois system of weights is the standard system of weight in the United States and is still in common usage in the United Kingdom. The system is based on a pound (lb) of 16 ounces (oz).
Both are units of mass. The Imperial system is still used in the USA - pounds and ounces but the metric system is used in science and in most of the countries of the world - â¦kilograms and grams. 30 g = ~ 1 oz 1 kg = 2.2 lb 1000 kg = 1 tonne 2000 lb = 1 ton USA or 2240 lb = 1 ton British Commonwealth.