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Inside of the head of femur, showing surface of the bone, red and yellow bone marrow. The cortex of a bone is used to refer to its outer layers, and medulla used to refer to the inner surface of the bone. Red marrow, in which blood is formed is present in spongy bone as well as in the medullary cavity, while the fatty yellow marrow is present ...
of or relating to bone marrow or the spinal cord: Greek μυελός (muelós), marrow, bone-marrow myelin sheath, myeloblast: myl(o)-of or relating to molar teeth or the lower jaw Greek μῠ́λη (múlē, mill, grind, molars mylohyoid nerve: myri-ten thousand Greek μῡρῐ́ος (mūríos), innumerable, countless, infinite myriad: myring ...
Bone marrow is a semi-solid tissue found within the spongy (also known as cancellous) portions of bones. [2] In birds and mammals, bone marrow is the primary site of new blood cell production (or haematopoiesis). [3] It is composed of hematopoietic cells, marrow adipose tissue, and supportive stromal cells.
Bone marrow is the primary site of new blood cell production or hematopoiesis. [76] It is composed of hematopoietic cells , marrow adipose tissue , and supportive stromal cells. In adult humans, bone marrow is primarily located in the ribs, vertebrae, sternum, and bones of the pelvis. [ 77 ]
Punctum, plural puncta, adjective punctate, is an anatomical term for a sharp point or tip. It may also refer to: Medical.
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Myelophthisic anemia (or myelophthisis) is a severe type of anemia found in some people with diseases that affect the bone marrow. Myelophthisis refers to the displacement of hemopoietic bone-marrow tissue [1] by fibrosis, tumors, or granulomas. The word comes from the roots myelo-, which refers to bone marrow, and phthisis, shrinkage or atrophy.
Bone marrow samples can be obtained by aspiration and trephine biopsy. Sometimes, a bone marrow examination will include both an aspirate and a biopsy. The aspirate yields semi-liquid bone marrow, which can be examined by a pathologist under a light microscope and analyzed by flow cytometry, chromosome analysis, or polymerase chain reaction (PCR