Though it is not strictly part of the usual diarthrodial joints, the structure of the intervertebral discs is shortly presented as its pathology is very common problem. Two main parts of the intervertebral discs are the outer ring (annulus fibrosus) and the inner gelatinous material.
In Australia, Ireland, New Zealand and Britain, the term timber describes sawn wood products, such as floor boards. In the United States and Canada, generally timber describes standing or felled trees, before they are milled into boards, which are called lumber.n the United Kingdom, the word lumber is rarely used in relation to wood, and timber is almost universally used in its place; but lumber has several other meanings in Britain, including unused or unwanted items.
Eucalyptus regnans is widely known as the mountain ash, due to the resemblance of its wood to that of the northern hemisphere ash (Fraxinus). Swamp gum is a name given to it in Tasmania, and stringy gum in northern Tasmania.Other common names include white mountain ash, giant ash, stringy gum, swamp gum and Tasmanian oak. Von Mueller called it the Giant gum-tree and Spurious blackbutt in his 1888 Key to the System of Victorian Plants `.wamp gum is a name given to it in Tasmania, and stringy gum in northern Tasmania. Other common names include white mountain ash, giant ash, stringy gum, swamp gum and Tasmanian oak. Von Mueller called it the Giant gum-tree and Spurious blackbutt in his 1888 Key to the System of Victorian Plants `.