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.
LEFTenant is the way British troops pronounce the rank Lieutenant. The two words mean different things within different military groups, but there is no actual difference. A British troop can refer to an American Lieutenant as  leftenant and not be incorrect.
[with object] 1often as adjective patronizingTreat with an apparent kindness which betrays a feeling of superiority. ââShe's a good-hearted girl,â he said in a patronizing voiceâ. âThe vast majority won't and it's more than patronising to assume they aren't worthy of democracy.â. âYou will see here how condescending, arrogant, and patronizing these people can be.â.