xDSL - Computer Definition. Referring to any of a group of broadband digital access technologies operating over embedded unshielded twisted pair (UTP) telco local loops. xDSL technologies employ sophisticated compression algorithms and multiplexing techniques to derive performance that often exceeds 1 Mbps over a voice grade local loop. Most DSL technologies support simultaneous voice and high speed Internet access, and a number support video, as well.
Osseous structures means bony structures and in thorax it includes ribs,vertebra, clavicle. It is normal in your case. There is no abnormality in bones. There is some problem in perfusion study and in your case it is due to ischemic(decreased blood supply to part of heart)insult.
A central canal containing blood capillaries and the concentric osseous lamellae around it occurring in compact bone. Synonym(s): haversian system. [G. osteon, bone]. /osÂ·teÂ·on/ (osÂ´te-on) [Gr.] the basic unit of structure of compact bone, comprising a haversian canal and its concentrically arranged lamellae.ynonym(s): concentric lamella. haversian spaces-spaces in bone formed by the enlargement of haversian canals. haversian system-a central canal containing capillaries and the concentric osseous lamellae around it occurring in compact bone.