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Encyclopedia > Medullary cavity

The medullary cavity is the central cavity of bone shafts where yellow marrow (adipose tissue) is stored. Located in the main shaft of the bone (diaphysis), the medullary cavity has walls composed of compact bone and is lined with a thin, vascular membrane (endosteum). Grays Anatomy illustration of a human femur. ... Adipose tissue is an anatomical term for loose connective tissue composed of energy in the form of fat, although it also cushions and insulates the body. ... The diaphysis is the main or mid section (shaft) of a long bone. ... Endosteum is the inner lining of the bone. ...


In an infant this area is involved in the formation of red blood cells, so red marrow is present. A human infant An infant or baby is a person younger than a toddler. ... Human red blood cells Red blood cells are the most common type of blood cell and are the vertebrate bodys principal means of delivering oxygen to body tissues via the blood. ... Grays Anatomy illustration of cells in bone marrow. ...


See also

Grays Anatomy illustration of cells in bone marrow. ...

External links


  Results from FactBites:
 
Medullary cavity barrier - Patent 4745914 (1832 words)
A medullary cavity barrier for insertion in a tubular bone, said barrier comprising a one piece metal body having a rosette shape with at least three radially extending leaves, each said leaf being elastically and permanently deformable, said body being permeable to blood and fat and impermeable to bone cement.
A medullary cavity barrier as set forth in claim 7 wherein said body includes a central core and each leaf extends from said core in a common plane to a first bend and extends at an angle from said first bend to a second bend to extend radially inwardly.
As is known, medullary cavity barriers or plugs have been used to prevent bone cement from penetrating into the medullary cavity of a tubular bone which is contiguous to a surgically prepared cutout for the insertion of a prosthesis shank.
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