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Trabecular bone, also known as trabecular bone or cancellous bone, is a type of bone tissue characterized by its porous and lattice-like structure. It is found in the spongy or cancellous bone of the ends of long bones, the vertebrae, and the pelvis. Trabecular bone is primarily composed of hydroxyapatite crystals and collagen fibers, which give it its strength and flexibility.

The structure of trabecular bone is highly adaptable and can change in response to mechanical stress and hormonal influences. This adaptability is crucial for maintaining bone health and integrity. Trabecular bone is also involved in the storage and release of calcium and phosphate, which are essential for various physiological processes.

Trabecular bone is often studied in the context of osteoporosis, a condition characterized by a loss of bone density and increased risk of fractures. The porous structure of trabecular bone makes it more susceptible to damage and collapse, which can lead to osteoporosis. Understanding the structure and function of trabecular bone is essential for developing effective treatments for osteoporosis and other bone-related disorders.

In summary, trabecular bone is a vital component of the skeletal system, providing strength, flexibility, and support. Its porous structure and adaptability make it essential for maintaining bone health and integrity, and its study is crucial for understanding and treating bone-related disorders.