GROSS ANATOMY

Detailed explanation-1: -Red bone marrow contains blood stem cells that can become red blood cells, white blood cells, or platelets. Yellow bone marrow is made mostly of fat and contains stem cells that can become cartilage, fat, or bone cells. Anatomy of the bone.

Detailed explanation-2: -Bone marrow fills the cavities of your bones and holds cells that create red and white blood cells and platelets, which make whole blood.

Detailed explanation-3: -Bone marrow fat (BMF) acts as a metabolically active organ and plays an active role in energy storage, endocrine function, bone metabolism, and the bone metastasis of tumors.

Detailed explanation-4: -The medullary cavity (medulla, innermost part) is the central cavity of bone shafts where red bone marrow and/or yellow bone marrow (adipose tissue) is stored; hence, the medullary cavity is also known as the marrow cavity.

Detailed explanation-5: -Bone marrow is the soft, spongy, gelatinous tissue found in the hollow spaces in the interior of bones. The average weight of this tissue is about 4% of the total body weight, or 2.6 kg in an adult weighing 65 kg. Progenitor cell (stem cell) lines in the bone marrow produce new blood cells and stromal cells.