Specifically is the deposition of crystals of calcium phosphate that cause the replacing cartilage by bone, that is, chondrocytes are replaced by osteoclasts.
Bone is not a solid uniform material; it has spaces between the hard elements. The hard outer layer of the bone is made up of the compact cortical bone tissue that gives bone the hard, white, smooth solid appearance. This is often called 'dense' bone. The inside of the bone is filled with trabecular bone tissue (cancellous or spongy bone) which has a honeycombed appearance due to its open cell porous network made up of rod and plate elements that give the bone lightness and room for the blood vessels and bone marrow.
Bone Hard Zaggin was created in 1991.
The palatine bone is the posterior bone of the hard palate.
compact bone. yah buddy!
Compact bone.
Periosteum is the hard strong layer of bone
Compact or cortical bone is hte hard, strong layer of bone.
the liver bone
Your pubic bone is always hard, it is a bone, bones are hard, nothing to do with being pregnant.
dno
bone marrow
By definition all bone is hard. Before bone is fully formed it is made of cartilage and so is softer but it is not called bone at that time in development. Bone is made of hydroxyapetite mainly a calcium and phosphate salt. This makes it hard.