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.
late 15c., santren to muse, be in reverie, of uncertain origin despite many absurd speculations. Meaning walk with a leisurely gait is from 1660s, and may be a different word. Klein suggests this sense of the word derives via Anglo-French sauntrer (mid-14c.) from French s'aventurer to take risks, but OED finds this unlikely.. Related: Sauntered; sauntering.