An osteocyte is a type of bone cell that plays a crucial role in maintaining bone tissue. These cells originate from osteoblasts, which are responsible for bone formation. Once osteoblasts become embedded in the bone matrix, they transform into osteocytes. They have long, hair-like extensions that connect with other osteocytes and bone cells, allowing them to communicate and coordinate bone maintenance. Osteocytes help regulate the balance of minerals, such as calcium and phosphate, in the bone and bloodstream. They respond to mechanical stress and strain, signaling the need for bone remodeling through the activity of other cells like osteoclasts and osteoblasts. This process is essential for maintaining healthy bone structure and function.