Compact Bone. Compact bone consists of closely packed osteons or haversian systems. The osteon consists of a central canal called the osteonic (haversian) canal, which is surrounded by concentric rings (lamellae) of matrix.Between the rings of matrix, the bone cells (osteocytes) are located in spaces called lacunae.ompact Bone. Compact bone consists of closely packed osteons or haversian systems. The osteon consists of a central canal called the osteonic (haversian) canal, which is surrounded by concentric rings (lamellae) of matrix.
It's only the difference in pronunciation. In English, lootenant is chiefly the American pronunication and leftenant the British. In the British and U.S. armies, 1st and 2nd lieutenants are junior officers, and the ranking system is roughly equivalent between the two armies.
1 The name revenant is of French origin, and generally means one who returns (from death). 2  When compared to the monster as it appears in the game, the revenant model built during the game's development shows a good deal more muscle tissue, and no chest armor.his article is about the original Doom games monster Revenant. For the monster in Doom 3, see Revenant (Doom 3). A revenant on the move in Level 6: The Crusher, in Doom II. Revenants are monsters introduced in Doom II that are easily recognized by their high-pitched shriek.