bone marrow
noun
: a soft highly vascular modified connective tissue that occupies the cavities of most bones and occurs in two forms:
a
: one that is yellowish, consists chiefly of fat cells, and is found especially in the cavities of long bones
b
: one that is reddish, is the chief site of blood cell formation, and occurs in the normal adult in cancellous tissue especially of certain flat bones
called also red marrow
Examples of bone marrow in a Sentence
Recent Examples on the Web
Stem cell transplant: Also called a bone marrow transplant, this treatment replaces cancerous bone marrow cells with healthy donor cells.
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Health, 24 May 2025
Waldenström's macroglobulinemia transforms white blood cells into cancer cells which build up in the bone marrow, the spongy material inside the bones where blood cells are made, according to the Mayo Clinic.
—Vanessa Etienne, People.com, 15 Apr. 2025
That level of hormone then stimulates the bone marrow, which boosts red blood cells, which increases your oxygen-carrying capacity.
—Amy Woodyatt, CNN Money, 13 May 2025
On the menu was bone marrow, charred octopus with tentacles sprawling off the serving platter, and a deep-red cherry jubilee with an uncanny resemblance to blood (Isabelle even used a flambé technique at the table to wow her guests).
—Ginger Perra, Better Homes & Gardens, 10 May 2025
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Health, 24 May 2025
Waldenström's macroglobulinemia transforms white blood cells into cancer cells which build up in the bone marrow, the spongy material inside the bones where blood cells are made, according to the Mayo Clinic.
—Vanessa Etienne, People.com, 15 Apr. 2025
That level of hormone then stimulates the bone marrow, which boosts red blood cells, which increases your oxygen-carrying capacity.
—Amy Woodyatt, CNN Money, 13 May 2025
On the menu was bone marrow, charred octopus with tentacles sprawling off the serving platter, and a deep-red cherry jubilee with an uncanny resemblance to blood (Isabelle even used a flambé technique at the table to wow her guests).
—Ginger Perra, Better Homes & Gardens, 10 May 2025
See All Example Sentences for bone marrow
Cite this Entry
“Bone marrow.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/bone%20marrow. Accessed 5 Jun. 2025.
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