Fascia refers to the strong tissues that have number of different functions in the body. Among these functions are enclosing the different muscles in the body, giving support to different organs and body parts and giving protection to them.
The fascia is made up of mesenchyme, which is a kind of connective tissue that first develops during the embryonic stage before it begins to differentiate into the different structures in the body. Mesenchyme is also the tissue that is the basis for what bones and cartilage are made of. It is a part of the more important parts of the both the circulatory and lymphatic systems. The fascia can be divided into three layers. The first one is the superficial fascia, which is found immediately below the skin. This is followed by the deep fascia and then finally the subserous fascia, which is located deep within the body.
The fascia is thin, yet despite this it is very fibrous and quite strong. Fascia is formed beneath the skin and acts like a strong layer of tissue the separates the skin from the muscles. The superficial fascia is the topmost layer of the fascia and this is usually mixed with some fat, depending on the part of the body it is located. This layer is most noticeable in the skull and hands. By simply trying to wriggle or move the skin in these areas, one will immediately notice the flexibility and firmness of the superficial fascia as it flexes and yet retains its adherence to the bone and skin.
The deep fascia is more densely packed than the superficial fascia, which also makes it stronger. The deep fascia is what covers the muscles and helps the muscles to be divided and protected.
Finally, the subserous fascia is the last layer of the fascia. This is more flexible than the deep fascia and also provides space for organs to move freely.