Almost all of the asteroids in our solar system are orbiting in a broad band 19,400,000 miles wide between Jupiter and Mars.
Blockage, clogging, or impeded flow, for example, by occlusion or stenosis. obstruction. 1. the act of blocking or clogging. obstruction. 1 something that blocks or clogs. 2 the act of blocking or preventing passage. 3 the condition of being obstructed or clogged. obstruct, v., obstructive, adj.
Nerve block. (Redirected from Peripheral nerve blocks) Nerve block or regional nerve blockade is any deliberate interruption of signals traveling along a nerve, often for the purpose of pain relief.