corpus luteum

noun
corpus lu·​te·​um | \ -ˈlü-tē-əm How to pronounce corpus luteum (audio) \
plural corpora lutea\ -​ˈlü-​tē-​ə How to pronounce corpus luteum (audio) \

Definition of corpus luteum

: a yellowish mass of progesterone-secreting endocrine tissue that forms immediately after ovulation from the ruptured graafian follicle in the mammalian ovary abbreviation CL

Examples of corpus luteum in a Sentence

Recent Examples on the Web Then there are corpus luteum cysts, which happen when fluid starts building up inside a follicle that's already done its due diligence and released an egg. Korin Miller, SELF, "9 Signs You're Dealing With a Ruptured Ovarian Cyst," 18 Aug. 2020 Doctors put most ovarian cysts into two categories: follicular cysts and corpus luteum cysts. Korin Miller, SELF, "What to Do If You Think an Ovarian Cyst Burst," 9 Oct. 2019 The two main types of ovarian cysts are follicle cysts and corpus luteum cysts, according to the Office on Women's Health (OWH). Christina Oehler, Health.com, "Kelly Clarkson Shares Health Scare After She Had an Ovarian Cyst Burst—Here's What That Means," 28 Aug. 2019 Once the egg is released, the empty follicle shrinks to form what's called a corpus luteum, which is supposed to make hormones to get ready for the next egg. Carolyn L. Todd, SELF, "Kate Beckinsale Reveals She Went to the Hospital for a Ruptured Ovarian Cyst," 28 Jan. 2019 The two most common types, follicular cysts and corpus luteum cysts, occur when something goes a little awry during a regular menstrual cycle, the Mayo Clinic explains. Carolyn L. Todd, SELF, "Kate Beckinsale Reveals She Went to the Hospital for a Ruptured Ovarian Cyst," 28 Jan. 2019 After the follicle releases the egg, the follicle shrinks into a mass called the corpus luteum. Zahra Barnes, SELF, "This Is Exactly What Happens During Your Menstrual Cycle," 23 Feb. 2018 After an egg has been released from an ovary, the ovarian follicle collapses to temporarily form the corpus luteum, which produces progesterone, the Mayo Clinic explains. Korin Miller, SELF, "Here's Why Khloe Kardashian Used Hormone Suppositories at the Beginning of Her Pregnancy," 28 Feb. 2018 If the egg is not fertilized, the corpus luteum decays, stops producing progesterone, and the whole cycle starts over again. Korin Miller, SELF, "Here's Why Khloe Kardashian Used Hormone Suppositories at the Beginning of Her Pregnancy," 28 Feb. 2018

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

1788, in the meaning defined above

History and Etymology for corpus luteum

borrowed from New Latin corpus lūteum "yellow body"

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The first known use of corpus luteum was in 1788

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Cite this Entry

“Corpus luteum.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/corpus%20luteum. Accessed 27 Jan. 2021.

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More Definitions for corpus luteum

corpus luteum

noun
corpus lu·​te·​um | \ -ˈlüt-ē-əm, -lü-ˈtē-əm How to pronounce corpus luteum (audio) \
plural corpora lutea\ -​ə How to pronounce corpus luteum (audio) \

Medical Definition of corpus luteum

: a yellowish mass of progesterone-secreting endocrine tissue that consists of pale secretory cells derived from granulosa cells, that forms immediately after ovulation from the ruptured graafian follicle in the mammalian ovary, and that regresses rather quickly if the ovum is not fertilized but persists throughout the ensuing pregnancy if it is fertilized

More from Merriam-Webster on corpus luteum

Britannica.com: Encyclopedia article about corpus luteum

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