单词	stem cell
释义	stem cell noun : an unspecialized cell that gives rise to differentiated cells hematopoietic stem cells in bone marrow Example Sentences Recent Examples on the Web For Blair, the campaign (which also stars Labrinth, Cameron Russell, Lucky Blue Smith and Toni Breidinger) has been a fun endeavor after her diagnosis of multiple sclerosis in 2018 and stem cell transplant in 2019. Hedy Phillips, Peoplemag, 6 Sep. 2022 Now living with Parker, Fernando plans to receive a stem cell transplant in the coming months. Joe Duhownik, The Arizona Republic, 28 Aug. 2022 The report highlighted the case of a 65-year-old man who underwent a stem cell transplant. Aria Bendix, NBC News, 13 Aug. 2022 One promising treatment for patients with blood cancers is stem cell transplantation. Kate Ann Markey, The Conversation, 13 July 2022 Ashley Cain is honoring his late daughter Azaylia Diamond on the anniversary of her stem cell transplantation. Vanessa Etienne, PEOPLE.com, 19 Jan. 2022 The 30-year-old woman in the new study is only the second patient who has been described as achieving this sterilizing cure without help from stem cell transplantation or other treatment. Jacqueline Howard, CNN, 16 Nov. 2021 Overall interest in cloning slowed as advances in adult stem cell research gained traction in the 2000s. Bill Frist, Forbes, 2 Aug. 2022 Up to 50% of patients who receive a stem cell transplant develop graft-versus-host disease. Kate Ann Markey, The Conversation, 13 July 2022 See More Word History First Known Use 1896, in the meaning defined above Medical Definition stem cell noun ˈstem-  : an unspecialized cell capable of perpetuating itself through cell division and having the potential to give rise to differentiated cells with specialized functions Embryonic stem cells are pluripotent cells derived from the inner cell mass of the blastocyst stage of the embryo. Carrie J. Merkle, in Essentials of Pathophysiology … picture the bone marrow as a blood cell factory that takes a single type of precursor cell, or stem cell, and modifies it in various ways to produce all the cells that circulate in the blood. Gina Kolata, Discover Recent observations are providing increasing evidence for the concept that adult stem cells are part of a natural system for tissue repair. Darwin J. Prockop, in Essentials of Stem Cell Biology
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