Final answer:
The only connective tissue membrane listed in the options is the synovial membrane, which is found in the cavities of freely movable joints and is responsible for producing synovial fluid, a natural lubricant. It is distinct from epithelial membranes, such as mucous, serous, and cutaneous membranes. So, the correct option is D) synovial membrane.
Step-by-step explanation:
The Only Connective Tissue Membrane
Within the human body, various types of tissue membranes are essential for protective and functional purposes. Two broad categories distinguish these membranes: connective tissue membranes and epithelial membranes. Connective tissue membranes encapsulate and protect organs, and they line our movable joints. An example of such a membrane is the synovial membrane, which exclusively consists of connective tissue and is found in the cavities of freely movable joints.
The role of the synovial membrane is critical; it produces synovial fluid, a natural lubricant that reduces friction and allows for smooth joint movement. This mechanism is vital in joints such as the shoulders, elbows, and knees. In contrast, epithelial membranes include mucous membranes, which contain glands; serous membranes, which secrete a fluid; and the cutaneous membrane or skin. Unlike the synovial membrane, these are not solely made of connective tissue but also comprise epithelial tissue.