fetal hemoglobin

noun

: a hemoglobin variant that predominates in the blood of a newborn and persists in increased proportions in some forms of anemia (such as thalassemia)

Examples of fetal hemoglobin in a Sentence

Recent Examples on the Web Scientists want to reactivate the effective fetal hemoglobin in adult blood cells. Amber Dance, Discover Magazine, 2 Feb. 2024 Researchers had previously identified a certain genetic mutation that causes fetal hemoglobin to persist into adulthood. Adam Feuerstein, STAT, 8 Dec. 2023 In the first several months of life, levels of fetal hemoglobin taper down and the body starts making adult hemoglobin instead. Emily Mullin, WIRED, 19 Dec. 2023 In the case of sickle cell, this change promotes production of fetal hemoglobin, which takes the place of the mutated hemoglobin, reducing the number of cells that sickle. Janice Blanchard, Scientific American, 18 Dec. 2023 The goal became finding ways to increase fetal hemoglobin in sickle cell patients. Julie Washington, cleveland, 21 Aug. 2023 These gene-editing technologies target the part of the gene that produces fetal hemoglobin, enabling the body to produce high levels of fetal hemoglobin, Hanna said. Julie Washington, cleveland, 21 Aug. 2023 While searching for other possible treatments, researchers noticed that sickle cell patients who did well naturally had high levels of fetal hemoglobin — the hemoglobin inside babies when they are born. Julie Washington, cleveland, 21 Aug. 2023 His fetal hemoglobin, which lingers for months, may have confused the results. Krithika Varagur, Harper's Magazine, 10 July 2023

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'fetal hemoglobin.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

First Known Use

1950, in the meaning defined above

Time Traveler
The first known use of fetal hemoglobin was in 1950

Dictionary Entries Near fetal hemoglobin

Cite this Entry

“Fetal hemoglobin.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/fetal%20hemoglobin. Accessed 19 Apr. 2024.

Medical Definition

fetal hemoglobin

noun
: hemoglobin that consists of two alpha chains and two gamma chains and that predominates in the blood of a newborn and persists in increased proportions in some forms of anemia (as thalassemia)

called also hemoglobin F

Last Updated: - Updated example sentences
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