The inside of your bones are filled with a soft tissue called marrow. Bone marrow comprises approximately 5 of total body mass in healthy adult humans such that a.
Anatomy Of Human Bone Marrow Iphone Wallet By Stocktrekimages
Platelets are small pieces of cells that help you stop bleeding when you get a cut.
Bone marrow anatomy. Bone marrow lacks the rigidity of the surrounding bone. Depending on the age and haematological demand of an individual. In adult humans bone marrow is primarily located in the ribs vertebrae sternum and bones of the pelvis.
Conversely yellow marrow has all the same constituents as red except that fat cells make up the vast majority with resulting poor vascularity. Bone marrow has both a vascular component and a non vascular component. Red bone marrow is where all new red blood cells white blood cells and platelets are made.
Bone marrow also helps to remove old cells from the circulation. Spongy bone contains red bone marrow which is the site of erythropoiesis. It is generally considered a safe procedure with minimal risks.
Bone marrow biopsy is a commonly performed bedside procedure that aids in the diagnosis and staging of hematological malignancies and benign hematological disorders. Bone marrow is the soft spongy gelatinous tissue found in the hollow spaces in the interior of bonesthe average weight of this tissue is about 4 of the total body weight or 26 kg in an adult weighing 65 kg. Gross anatomy and histology types of the bone marrow.
Bone marrow is a semi solid tissue which may be found within the spongy or cancellous portions of bones. Articular cartilage is found on the exterior of the bone and helps to lubricate and provide cushioning for joints. In humans the red bone marrow forms all of the blood cells with the exception of the lymphocytes which are produced in the marrow and reach their mature form in the lymphoid organs.
Red bone marrow also contributes along with the liver and spleen to the destruction of old red blood cells. Some marrow is found in what is called spongy bone. It is also found in the large bones of the arms the humerus and the legs the femur.
Most of the above conditions covered individually in the encyclopedic section. There are two types of bone marrow. The shaft of the long bone is the diaphysis and houses yellow bone marrow which mainly functions for fat storage.
If you can imagine a sponge the structure of spongy bone is similar. Bone marrow is found in bones such as the sternum breastbone ribs pelvis and skull. Bone marrow gross anatomy.
Progenitor cell stem cell lines in the bone marrow produce new blood cells and stromal cells. It is composed of hematopoietic cells marrow adipose tissue and supportive stromal cells. Clusters of haematopoietic cells known as haematopoietic islands are widely.
In the body the major function of bone marrow is to produce blood cells. In birds and mammals bone marrow is the primary site of new blood cell production or hematopoiesis. Bone marrow a component of the lymphatic system is the soft and flexible tissue in the cavities of bone.
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