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.
Scots Pine, a typical and well-known softwood. Softwood is wood from gymnosperm trees such as conifers. Softwood is the source of about 80% of the world's production of timber, with traditional centres of production being the Baltic region (including Scandinavia and Russia), North America and China.cots Pine, a typical and well-known softwood. Softwood is wood from gymnosperm trees such as conifers. Softwood is the source of about 80% of the world's production of timber, with traditional centres of production being the Baltic region (including Scandinavia and Russia), North America and China.