(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).
The most striking feature of skeletal muscle fibers is the presence of striations that are conspicuous in longitudinally sectioned fibers. The striations are due to the presence of myofibrils, which are cylindrical bundles of thick and thin myofilaments, organized into units of contraction called sarcomeres.he most striking feature of skeletal muscle fibers is the presence of striations that are conspicuous in longitudinally sectioned fibers. The striations are due to the presence of myofibrils, which are cylindrical bundles of thick and thin myofilaments, organized into units of contraction called sarcomeres.