marrow (redirected from Marrer)

marrow /mar·row/ (mar´o) bone marrow; the soft organic material filling the cavities of bones, made up of a fiber-rich meshwork of connective tissue, the meshes being filled with marrow cells, which consist variously of fat cells, large nucleated cells or myelocytes, and megakaryocytes. Yellow bone m. is that in which fat cells predominate; red bone m. is the site of production of erythrocytes and granular leukocytes and occurs in developing bone, as of the ribs and vertebrae.

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spinal marrow  the spinal cord.

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mar·row (mr)

n.

1. Bone marrow.

2. The spinal cord.

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marrow

see bone marrow.