The periodontist will also take a small measuring instrument called a probe and place it between the teeth and gums to determine the depth of those spaces, known as periodontal pockets; this helps the periodontist assess the health of the gums.
The ground substance of connective tissue is different from all of these fluids; it is the liquid medium through which these other fluid exchanges take place.
Structure of Connective Tissue. Connective tissue is composed primarily of two elements: cells and a matrix. The types of cells found in connective tissue vary depending on the type of tissue they support. For example, red and white blood cells are found in blood, which is a fluid connective tissue. Adipocytes are fat cells found in adipose tissue, or fat.