The causes of leg pain can be musculoskeletal, neurological, or vascular. Shin splints and stress fractures can result from repetitive sports, such as running. Leg pain can sometimes indicate a serious vascular problems.
Noun. 1. altruism-the quality of unselfish concern for the welfare of others. selflessness. unselfishness-the quality of not putting yourself first but being willing to give your time or money or effort etc. for others; rural people show more devotion and unselfishness than do their urban cousins.
Freebase (0.00 / 0 votes) Rate this definition: Altricial. Altricial, meaning requiring nourishment, refers to a pattern of growth and development in organisms which are incapable of moving around on their own soon after hatching or being born.