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Bone

The dense, living tissue that makes up the skeleton of humans and vertebrate animals.

Mature bones are made up of three types of tissue: compact tissue (the hard outer portion of most bones); cancellous tissue (spongy tissue inside the bones that contains bone marrow, which makes blood cells); and subchondral tissue (smooth bone tissue of the joints).

Cancellous tissue, also known as cancellous bone, spongy bone or trabecular bone, is characterized by its spongy, porous, honeycomb-like structure and is typically found at the ends of long bones. Compact tissue is also known as hard bone, compact bone or compact cortical bone.

Source & ©: GreenFacts

Graphic representation of a bone

Source & ©: University of Maryland Medecine 

Exoskeleton - Leukaemia - Tissue

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