oocyte

noun
oo·​cyte | \ ˈō-ə-ˌsīt How to pronounce oocyte (audio) \

Definition of oocyte

: an egg before maturation : a female gametocyte

Examples of oocyte in a Sentence

Recent Examples on the Web Once inside, proteins within the sperm cell’s head prompt the oocyte to finish maturing and to release chemicals that harden the outer shell of the egg, preventing other sperm from barging in. Randi Hutter Epstein, New York Times, "Tinder for Sperm: Even in the Petri Dish, Looks and Athleticism Are Prized," 17 Apr. 2020 Wolf centers have collected semen and female oocytes from ovaries for about 25 years to preserve their genomes. Debra Utacia Krol, azcentral, "Competing interests leave Mexican gray wolf recovery efforts at a crossroads," 30 Dec. 2019 The news comes just weeks after a team of veterinarians achieved another milestone by harvesting 10 oocytes from the last two remaining female northern white rhinos living in Kenya. Abdi Latif Dahir, Quartz Africa, "Scientists have successfully created embryos of the near-extinct northern white rhino," 11 Sep. 2019 Because of the progressive decline in the quality of a woman's oocytes (eggs) over time, there isn't a way to naturally extend the biological clock. Brennan Peterson, chicagotribune.com, "5 myths about infertility," 26 June 2018 With just two living sources of oocytes and semen stored from five males, researchers would have to reboot an entire subspecies from a mere seven animals. Stephanie Pappas, Scientific American, "Northern White Rhinos Are About to Die Out. Should We Save Them?," 13 Mar. 2018 Some eggs don't survive the freezing process because intercellular ice crystals emerge, which can be damaging to the oocytes (a cell in the ovary). Mallory Schlossberg, Redbook, "This New Egg Freezing Technology Could Be a Game Changer for Women," 22 Feb. 2017 But according to Cryotec's release, their technology cools faster, making it harder for those ice crystals to damage the oocytes. Mallory Schlossberg, Redbook, "This New Egg Freezing Technology Could Be a Game Changer for Women," 22 Feb. 2017

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'oocyte.' 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 oocyte

1895, in the meaning defined above

History and Etymology for oocyte

International Scientific Vocabulary

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Time Traveler for oocyte

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The first known use of oocyte was in 1895

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Cite this Entry

“Oocyte.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/oocyte. Accessed 25 Jan. 2021.

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More Definitions for oocyte

oocyte

noun
oo·​cyte | \ ˈō-ə-ˌsīt How to pronounce oocyte (audio) \

Medical Definition of oocyte

: an egg before maturation : a female gametocyte

called also ovocyte

More from Merriam-Webster on oocyte

Britannica.com: Encyclopedia article about oocyte

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