The bones are made up of a hard, outer layer called the compact or cortical bone and a spongy inner layer called the ...

Also called "cortical bone," compact bone is the dense, hard outer layer. Cancellous: Also called "trabecular "or "spongy bone," cancellous is the inner layer that is less dense, lattice-like ...

Human bones have a hard outer layer made of condensed bone and a softer inner core of spongy bone. This landscape of blue, red, and gold is a cross section through a developing human bone. Human bones ...