ANATOMY

Detailed explanation-1: -osteocyte, a cell that lies within the substance of fully formed bone. It occupies a small chamber called a lacuna, which is contained in the calcified matrix of bone.

Detailed explanation-2: -Bone lacunae are small, spindle-shaped spaces (appearing dark in this image), each containing an osteocyte that is left behind by osteoblasts during the process of remodelling. The long axis of each lacuna lies parallel to the lamella within which it resides.

Detailed explanation-3: -Osteocytes. Osteocytes are the mature cells of the bone tissue, which reside in lacunae.

Detailed explanation-4: -In anatomy, a lacuna is defined as the space housing the osteocytes in bones and chondrocytes in cartilage.