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.
Connective tissue fibers may be collagenous or elastic. The matrix or ground material surrounding fibers and cells is a dynamic substance, susceptible to its own special diseases. Kinds of connective tissue are bone tissue, cartilage tissue, dense connective tissue, fibrous tissue, and loose connective tissue.