bone marrow
Periosteum is the hard strong layer of bone
The strong hard layer beneath the periosteum is called the compact bone. It is dense and provides strength and support to the bone structure.
Compact or cortical bone is hte hard, strong layer of bone.
Calcium.
Compact bone tissue.
Cortical bone tissue makes up the dense hard outer layer of bone. It is also known as compact bone and provides structure and protection to the inner spongy bone tissue.
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The dense, solid outer layer of bone is called cortical bone. It provides strength and support to the bone structure and is characterized by its compact and dense nature. Cortical bone forms the hard exterior of bones, while trabecular bone makes up the inner spongy structure.
Calcified bones are hard but not really solid. Spongy bone is hard with tiny holes in it. Periosteum is thin but very strong. The other name for it is outer membrane, it helps to rebuild bone cells. The last is cartilage. It is strong material that holds two bones together and allows them to glide over one another. Skull iz also a very strong bone.
Compact bone is the outer region of all the bones in your body.There are two basic parts of each of your bones:There is an outer hard layer of bone called either compact bone or cortical bone. this layer is much more dense.There is an inner layer of bone called either cancellous bone or trabecular bone. This is a softer bone and contains bone marrow and much more blood vessels than the cortical (compact) bone.
The second layer of bone is called the compact bone. It is dense and hard, providing strength and protection for the inner layers of bone tissue. Compact bone is made up of osteons, which are closely packed units that form the bone's structure.