Shaft of a long bone?

Study for the Pivot Point The Building Blocks of the Human Body 105E.01. Engage with multiple choice questions and flashcards, complete with hints and explanations. Get ready for your exam!

Multiple Choice

Shaft of a long bone?

Explanation:
The shaft of a long bone is called the diaphysis. This central, elongated portion forms the main, hollow-cylinder part of the bone and is mainly comprised of compact bone, with a medullary cavity lining the inside in adults. The ends of the bone are the epiphyses, which contain spongy bone and, in joints, articular cartilage. The region between the diaphysis and each epiphysis is the metaphysis, where growth occurs in developing bones. The periosteum is a thick, fibrous membrane that covers the outer surface of the bone (except at joints) and provides blood supply and a surface for attachment of tendons and ligaments; it is not the shaft itself.

The shaft of a long bone is called the diaphysis. This central, elongated portion forms the main, hollow-cylinder part of the bone and is mainly comprised of compact bone, with a medullary cavity lining the inside in adults. The ends of the bone are the epiphyses, which contain spongy bone and, in joints, articular cartilage. The region between the diaphysis and each epiphysis is the metaphysis, where growth occurs in developing bones. The periosteum is a thick, fibrous membrane that covers the outer surface of the bone (except at joints) and provides blood supply and a surface for attachment of tendons and ligaments; it is not the shaft itself.

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