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placenta

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placenta

Longman Dictionary of Contemporary English 5++朗文当代英语 5++LDOCE 5++朗文 5++
Related topics: Human
pla·cen·ta /pləˈsentə/ noun [countable]  HBHan organ that forms inside a woman’s uterus to feed an unborn baby 胎盘placental adjective [only before noun] placental blood 胎盘血
Examples from the Corpus
placentaThe latter looks like a placenta and has the same consistency, too.The birth is recorded in an odd shot of the nurse gleefully holding aloft the bloody placenta.If there's any chance it is placenta praevia, it could detach and cause a haemorrhage.It causes many complications, including small placenta size, stillbirth and low birthweight.After the second month of pregnancy, estriol levels steadily increase as the placenta takes over estrogen production. 344.Second, the story is a reminder that caffeine, like alcohol, freely crosses the placenta.In the case of estriol, the placenta utilizes a dehydroepiandrosterone precursor made in the adrenal glands of the fetus.These chemicals were getting through the placenta and reaching foetuses in the womb and the eggs of birds and fish.
Origin placenta (1600-1700) Latin flat cake, from Greek, from plax flat surface
pla·cen·ta nounChineseSyllable
inside an Corpus a organ that forms woman’s


placenta
placenta /pləˈsentə/ noun [countable]
 Date: 1600-1700
 Language: Latin
 Origin: __flat cake__, from Greek, from plax __flat surface__
an organ that forms inside a woman’s uterus to feed an unborn baby
—placental adjective [only before noun]:
    placental blood


pla·centaBrE /pləˈsentə/ 🔊NAmE /pləˈsentə/ 🔊 (usually the placenta) noun (anatomy 解剖学) the material that comes out of a woman or female animal's body after a baby has been born, and which was necessary to feed and protect the baby 胎盘 SYN afterbirth