he·​ma·​to·​poi·​e·​sis | \ hi-ˌma-tə-pȯi-ˈē-səs How to pronounce hematopoiesis (audio) , ˌhē-mə-tō- \

Definition of hematopoiesis

: the formation of blood or of blood cells in the living body

Other Words from hematopoiesis

hematopoietic \ hi-​ˌma-​tə-​pȯi-​ˈe-​tik How to pronounce hematopoiesis (audio) , ˌhē-​mə-​tō-​ \ adjective

Examples of hematopoiesis in a Sentence

Recent Examples on the Web Clonal hematopoiesis was identified in blood samples from astronauts 20 years before the average age when it is normally detected at age 70, compared to 157 cancer patients. Ashley Strickland, CNN, 25 Nov. 2020 One of the new studies also identified clonal hematopoiesis, when blood cells carrying mutations spread more quickly than others, as a potential risk among astronauts for cardiovascular disease, lymphoma and leukemia. Ashley Strickland, CNN, 25 Nov. 2020 Gut microbiota metabolism of dietary fiber influences allergic airway disease and hematopoiesis. Enea Rezzonico, Scientific American, 17 Feb. 2015 The danger of leukemia is especially great in people with a preleukemic condition called clonal hematopoiesis. Bradley J. Fikes, sandiegouniontribune.com, 21 Aug. 2017 Even among younger people, those with the mutations—called clonal hematopoiesis of indeterminate potential, or CHIP—showed a higher rate of heart disease. Alice Park, Time, 22 June 2017

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

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First Known Use of hematopoiesis

circa 1854, in the meaning defined above

History and Etymology for hematopoiesis

New Latin

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Time Traveler for hematopoiesis

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The first known use of hematopoiesis was circa 1854

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Dictionary Entries Near hematopoiesis



hematopoietic system

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Cite this Entry

“Hematopoiesis.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/hematopoiesis. Accessed 3 Dec. 2021.

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More Definitions for hematopoiesis


variants: or chiefly British haematopoiesis \ hi-​ˌmat-​ə-​pȯi-​ˈē-​səs How to pronounce hematopoiesis (audio) , ˌhē-​mət-​ō-​ How to pronounce hematopoiesis (audio) \
plural hematopoieses\ -​ˌsēz How to pronounce hematopoiesis (audio) \

Medical Definition of hematopoiesis

: the formation of blood or of blood cells in the living body

called also hemopoiesis

More from Merriam-Webster on hematopoiesis

Britannica.com: Encyclopedia article about hematopoiesis


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