chorionic
adjective
cho·ri·on·ic
ˌkȯr-ē-ˈä-nik 
1
: of, relating to, or being part of the chorion
chorionic villi
2
: secreted or produced by chorionic or related tissue (as in the placenta or a choriocarcinoma)
Examples of chorionic in a Sentence
Recent Examples on the Web
The league announced Profar – in his first season with the Braves after a standout year in 2024 with the San Diego Padres – tested positive for chorionic gonadotophin, which helps with the production of testosterone, according to the Cleveland Clinic.
—
Kyle Feldscher, CNN Money, 31 Mar. 2025
Two options are clomiphene and human chorionic gonadotropin.20 Clomiphene is an estrogen receptor blocker that stimulates the pituitary gland and hypothalamus.
—Anju Goel, Verywell Health, 2 Jan. 2025
The authors confirmed the pregnancies with ultrasound and also detected the hormones progesterone and chorionic gonadotropin, which arise during pregnancy.
—Jennifer Ouellette, Ars Technica, 7 Apr. 2023
By the end of the first trimester, the arteries open into the spaces between the chorionic villi, delivering the large quantities of maternal blood (and thus nutrients and oxygen) required for the offspring's growth.
—Adrian Erlebacher, Scientific American, 1 Oct. 2017
View Sample Sign Up Now Noise also seems to be a driving factor in oxidative stress and metabolic abnormalities, the authors say, which could contribute to other chorionic diseases like diabetes.
—Amanda MacMillan, Time, 6 Feb. 2018
In the 1960s, scientists developed chemical tests that searched directly for human chorionic gonadotropin (hCG)—the tell-tale hormone that the frogs were reacting to.
—Ed Yong, The Atlantic, 4 May 2017
One possible entry point involves structures called chorionic villi, which anchor the placenta into the wall of the uterus during the first trimester.
—Pam Belluck, New York Times, 18 July 2016
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Kyle Feldscher, CNN Money, 31 Mar. 2025
Two options are clomiphene and human chorionic gonadotropin.20 Clomiphene is an estrogen receptor blocker that stimulates the pituitary gland and hypothalamus.
—Anju Goel, Verywell Health, 2 Jan. 2025
The authors confirmed the pregnancies with ultrasound and also detected the hormones progesterone and chorionic gonadotropin, which arise during pregnancy.
—Jennifer Ouellette, Ars Technica, 7 Apr. 2023
By the end of the first trimester, the arteries open into the spaces between the chorionic villi, delivering the large quantities of maternal blood (and thus nutrients and oxygen) required for the offspring's growth.
—Adrian Erlebacher, Scientific American, 1 Oct. 2017
View Sample Sign Up Now Noise also seems to be a driving factor in oxidative stress and metabolic abnormalities, the authors say, which could contribute to other chorionic diseases like diabetes.
—Amanda MacMillan, Time, 6 Feb. 2018
In the 1960s, scientists developed chemical tests that searched directly for human chorionic gonadotropin (hCG)—the tell-tale hormone that the frogs were reacting to.
—Ed Yong, The Atlantic, 4 May 2017
One possible entry point involves structures called chorionic villi, which anchor the placenta into the wall of the uterus during the first trimester.
—Pam Belluck, New York Times, 18 July 2016
Cite this Entry
“Chorionic.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/chorionic. Accessed 18 Jul. 2025.
Copy CitationMedical Definition
chorionic
adjective
cho·ri·on·ic
ˌkōr-ē-ˈän-ik, ˌkȯr-
1
: of, relating to, or being part of the chorion
chorionic villi
2
: secreted or produced by chorionic or a related tissue (as in the placenta or a choriocarcinoma)
chorionic hormones
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