Final answer:
The pubic symphysis is not primarily composed of connective tissue. Instead, it is a type of cartilaginous joint made up of fibrocartilage.
Step-by-step explanation:
The spinal cord, ligament, and organ capsule are primarily composed of connective tissue. However, the pubic symphysis is not primarily composed of connective tissue. Instead, it is a type of cartilaginous joint made up of fibrocartilage. Fibrocartilage is a specialized type of connective tissue that contains both collagen fibers and cartilage cells, providing it with both strength and flexibility.