bone marrow

noun

Definition of bone marrow

: 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 In this way, synthetic cells combine the advantages of live cell therapeutics like bone marrow transplants and chimeric antigen receptor (CAR-T) cells with those of single-component biologicals and small molecule drugs. Kira Sampson, STAT, 28 July 2022 Those with compromised immune systems were broken down even further into patients with diagnoses such as HIV, multiple sclerosis and rheumatoid arthritis as well as people who had undergone organ transplants and bone marrow transplants. Mary Kekatos, ABC News, 28 Dec. 2021 Cancers and other diseases also can be treated with bone marrow transplants. Vincent T. Davis, San Antonio Express-News, 30 Mar. 2021 Each will have 5,600 sensors will record information on radiation’s effect on the lungs, stomach, uterus and bone marrow. Carlyn Kranking, Smithsonian Magazine, 26 Aug. 2022 To kick off the celebrations, held over the first weekend in July, Olive and Dane hosted an intimate dinner at their favorite London restaurant, St John, where guests tucked into whole pig and bone marrow. Alice Cary, Vogue, 20 Aug. 2022 Nothing particularly enlightening about the filet mignon (six ounces for a whopping $69), with mushrooms, broccoli, spinach and a rich bone marrow bordelaise. John Mariani, Forbes, 6 July 2022 While taking the exam to renew his physician specialty certification, pulmonologist Jordan Metcalf got hung up on a question about a rare complication in a bone marrow transplant patient — a hematology issue. Tara Bannow, STAT, 1 Sep. 2022 Smaldone even recruited actual bone marrow donor, Michael Mushaw, to appear in the film as a donor registry executive. Deborah Evans Price, Billboard, 15 Aug. 2022 See More

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'bone marrow.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of bone marrow

1590, in the meaning defined above

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Time Traveler for bone marrow

Time Traveler

The first known use of bone marrow was in 1590

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Dictionary Entries Near bone marrow

Bonellia

bone marrow

bonemeal

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Statistics for bone marrow

Last Updated

3 Oct 2022

Cite this Entry

“Bone marrow.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/bone%20marrow. Accessed 4 Oct. 2022.

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More Definitions for bone marrow

bone marrow

noun

Kids Definition of bone marrow

: a soft tissue rich in blood vessels that fills the spaces of most bones and includes one type that is red and produces red blood cells and white blood cells and another type that is yellow and contains fat

bone marrow

noun

Medical Definition of bone marrow

: a soft highly vascular modified connective tissue that occupies the cavities and cancellous part of most bones and occurs in two forms:
a : a whitish or yellowish bone marrow that consists chiefly of fat cells and is found especially in the cavities of the long bones

called also yellow marrow

b : a reddish bone marrow that contains little fat, is the chief site of red blood cell and blood granulocyte formation, and occurs in the normal adult in cancellous tissue especially of certain flat bones

called also red marrow

More from Merriam-Webster on bone marrow

Britannica.com: Encyclopedia article about bone marrow

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