the.com/marrow

the soft factory inside your bones, cranking out blood while you do nothing

means The soft fatty tissue inside bones where blood cells are made — or, in cooking, this same substance prized as a rich delicacy, and also the name of a long green squash.

from From Old English 'mearg' or 'mærg,' meaning the inside of a bone, with deep Germanic roots — a cousin of Old High German 'marg' and related to words across the Germanic family, and possibly further back to a Proto-Indo-European root meaning 'fat' or 'cream.' The vegetable 'marrow' borrowed the name later, likely for its soft, rich inner flesh — the same logic that gives us 'the marrow of the matter,' the essential innermost core.

blood maker
Produces billions of new cells daily
prime real estate
Hides in your largest, strongest bones
transplant gold
Donated marrow can cure leukemia
culinary cut
Roasted and spread like savory butter
fat shift
Red marrow turns yellow as you age
for instance

bone marrow transplant — first successful allogeneic transplant performed by e. donnall thomas in 1956, now thousands done annually for leukemia and lymphoma

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