Lumbar fascia Lumbar fascia The lumbar fascia is an anatomic structure of the lumbar region. It consists of a band or sheet of connective tissue fibres, primarily collagen, that attaches, stabilizes, encloses and separates muscles not limited to the lumbar region as the name suggests, but extending upwards over the thorax to the neck and downwards over the muscles covering the sacrum. The upper thoracic portion is thin while the lumbar and sacral regions are thicker and stronger. The lumbar fascia binds the deep muscles of the back to the spine and to the transverse processes of the vertebrae. Additionally the lumbar
Loose connective tissue skin. It is also found in the mesentery which is surrounding the intestine. Loose connective tissue is named based on the "weave" and type of its constituent fibers. There are three main types: Areolar tissue ( or ) is a common type of loose connective tissue (and the most widely distributed type of connective tissue in vertebrates). It is so named because its fibers are far enough apart to leave ample open space for interstitial fluid in between ("areola" is Latin for a "little open space"). It is strong enough to bind different tissue types together, yet soft enough to