Osteocytes, Osteoclasts, Osteoblasts

Osteocytes

a bone cell, formed when an osteoblast becomes embedded in the matrix it has secreted.

Osteoclasts

make and secrete digestive enzymes that break up or dissolve the bone tissue

Osteoblasts

bone-forming cells that secrete the bone matrix

Spongy bone

is the major structural and supportive connective tissue of the body. Bone tissue forms the rigid part of the bones that make up the skeleton.

Compact Bone

dense bone in which the bony matrix is solidly filled with organic ground substance and inorganic salts, leaving only tiny spaces (lacunae) that contain the osteocytes, or bone cells.