👉 Rheoblasts, also known as stromal cells, are specialized cells that form in the basement membrane of cartilage and bone. They play a crucial role in maintaining the integrity of these tissues by producing collagen, which is essential for joint function. Rheoblasts can be divided into two main types: osteoblasts and osteoclasts. Osteoblasts are responsible for the formation of new bone tissue, while osteoclasts break down old bone