Medullary cavity

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Medullary cavity_table_infobox_0

Medullary CavityMedullary cavity_header_cell_0_0_0
DetailsMedullary cavity_header_cell_0_1_0
IdentifiersMedullary cavity_header_cell_0_2_0
LatinMedullary cavity_header_cell_0_3_0 cavitas medullarisMedullary cavity_cell_0_3_1
TA98Medullary cavity_header_cell_0_4_0 Medullary cavity_cell_0_4_1
TA2Medullary cavity_header_cell_0_5_0 Medullary cavity_cell_0_5_1
FMAMedullary cavity_header_cell_0_6_0 Medullary cavity_cell_0_6_1

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. Medullary cavity_sentence_0

Located in the main shaft of a long bone (diaphysis) (consisting mostly of compact bone), the medullary cavity has walls composed of spongy bone (cancellous bone) and is lined with a thin, vascular membrane (endosteum). Medullary cavity_sentence_1

However, the medullary cavity is the area inside any bone (long, flat, etc.) that holds the bone marrow. Medullary cavity_sentence_2

This area is involved in the formation of red blood cells and white blood cells, and the calcium supply for bird eggshells. Medullary cavity_sentence_3

The area has been detected in fossil bones despite the fossilization process. Medullary cavity_sentence_4

Intramedullary is a medical term meaning the inside of a bone. Medullary cavity_sentence_5

Examples include intramedullary rods used to treat bone fractures in orthopedic surgery and intramedullary tumors occurring in some forms of cancer or benign tumors such as an enchondroma. Medullary cavity_sentence_6


Credits to the contents of this page go to the authors of the corresponding Wikipedia page: en.wikipedia.org/wiki/Medullary cavity.