51Թ

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relaxin

[ ri-lak-sin ]

noun

Biochemistry, Pharmacology.
  1. a polypeptide hormone produced by the corpus luteum during pregnancy that causes the pelvic ligaments and cervix to relax during pregnancy and delivery.


relaxin

/ ɪˈæɪ /

noun

  1. a mammalian polypeptide hormone secreted by the corpus luteum during pregnancy, which relaxes the pelvic ligaments
  2. a preparation of this hormone, used to facilitate childbirth
“Collins English Dictionary — Complete & Unabridged” 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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51Թ History and Origins

Origin of relaxin1

First recorded in 1925–30; relax + -in 2
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51Թ History and Origins

Origin of relaxin1

C20: from relax + -in
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Example Sentences

Examples have not been reviewed.

Research from the Guardian external-link in 2023 found that pregnancy also "elevates levels of hormones such as relaxin, which loosens ligaments and joints, potentially increasing the risk of injury".

From

When relaxin-3 is released in the brain, it binds to a target receptor RXFP3 -- to trigger a variety of signalling responses among the cells, which affect the body's physiological processes.

From

One theory is that relaxin, a hormone released during pregnancy to relax the ligaments in the pelvis and to soften and widen the cervix, may cause your teeth to shift.

From

And once again, the ultimate goal remains maxin’ and relaxin’, the culprit plotting murder and deception over a course of years for the privilege of endless days with the sand and surf.

From

Grant enthuses about the benefits of strong glutes in preventing knee injuries and back problems, and also for postnatal women whose gluteal muscles have lengthened during pregnancy as a result of the relaxin hormone.

From

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