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.
The ground substance of cartilage is made up of a special type of glycoprotein, called âchondroitinâ. Ground substance also has spaces called lacunae. The cells of cartilage called chondrocytes live within these spaces and are responsible for the production and maintaining of cartilaginous matrix.