(ii) The area commander concerned for Ready Reservists assigned to troop program units under their control. (See AR 140-1, para 1-6.) (iii)... The organization is heavily reliant on mobilized Troop Program Units (TPU) Reserves and Special Skills Trainers (SST) to complete our mission.
Noun. 1. striation-any of a number of tiny parallel grooves such as: the scratches left by a glacier on rocks or the streaks or ridges in muscle tissue. stria. groove, channel-a long narrow furrow cut either by a natural process (such as erosion) or by a tool (as e.g. a groove in a phonograph record).
Parts of the Muscles : Myofibrils and Sarcomeres. Myofibrils are cylindrical in shape and run length of muscle fiber. Striations of skeletal muscle fibers are formed by placement of myofilaments within units of myofibrils called sarcomeres. A sarcomere extends between two darklines called Z lines.