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.
French usually describe what job their parents do or did, what they look like, what their personality is like (ie: happy, serious, etc), where they live, and so forth. The age may eventually be said. French usually avoid of speaking of how rich they are: money is quite taboo in conversation.