Intra (within) muscular (muscle) techniques are ways to put medication into the body, by injecting it into a muscle This is designed for drugs that need to be absorbed slowly A classic example is a tetanus shot
[ -'m&s-ky&-l&r ] (adjective.) 1874. From Late Latin intramuscularis, from prefix intra-, within, + musculum, muscle, diminutive of muscus, mouse, + adjective suffix -alis