Difference between revisions of "Spongiosa"
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Latest revision as of 19:04, 19 August 2021
Term referring to the combined tissues of the bone trabeculae and marrow tissues (both active and inactive) located beneath cortical bone cortices across regions of the axial and appendicular skeleton.
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Previous glossary entries
from ICRP Publication 116, 2010; ICRP Publication 130, 2015; and ICRP Publication 133, 2015
Term referring to the combined tissues of the bone trabeculae and marrow tissues (both active and inactive) located beneath cortical bone cortices across regions of the axial and appendicular skeleton. Spongiosa is one of three bone regions defined in the ICRP Publication 110, 2009, reference phantoms the other two being cortical bone and medullary marrow of the long bone shafts. As the relative proportions of trabecular bone active marrow and inactive marrow vary with skeletal site the homogeneous elemental composition and mass density of spongiosa are not constant but vary with skeletal site [see Annex B of ICRP Publication 110, 2009].
