chorion

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Related to chorionic: chorionic gonadotropin, chorionic plate, chorionic sac, Chorionic cavity, Chorionic Villi Sampling
  • noun

Words related to chorion

the outermost membranous sac enclosing the embryo in higher vertebrates (reptiles, birds and mammals)

References in periodicals archive ?
Human chorionic gonadotropin (hCG) is a 40kDa glycoprotein hormone secreted by the developing placenta shortly after fertilization.
we do not claim that this experiment proves human chorionic gonadotrophin (HCG) causes regeneration of the spinal cord.
Caption: These monochorionic/diamniotic twins at 9 weeks' gestation have a single placental mass and a thin, wispy membrane separating the twins, with no chorionic (placental) tissue between the sacs.
A normal placenta shows heterogeneous maturation because better-oxygenized centers of cotyledons (placentones) are less mature (larger chorionic villi with less syncytial knots) than are their peripheral parts, where the less-oxygenized blood returns toward the uterus.
Human chorionic gonadotropin is not the only molecule secreted by testicular tumors.
The differential diagnosis for elevated human chorionic gonadotropin levels is pregnancy, gestational trophoblastic neoplasia (GTN), and ovarian tumors.
A small amount of chorionic villus tissue is removed for analysis.
4) The Royal College of Obstetricians and Gynaecologists guideline on amniocentesis and chorionic villus sampling advises that patients should be informed of an additional 1% risk of fetal loss following an amniocentesis, and a slightly higher risk following chorionic villus sampling.
Seven examples of these theoretical problems are described in the second part: parathyroid hormone, human chorionic gonadotropin, troponin, aldosterone and proteolytic renin activity, thyroglobulin, prolactin, and thyroid function tests.
But her research has revealed that by looking at the amount of bleeding and the levels of the pregnancy hormone, human chorionic gonadotrophin (hCG), doctors could accurately predict the outcome.
One portion is the extracellular domain (ECD) of the ligand (hormone) binding region of the human lutropin/human chorionic gonadotropin receptor (ECD-hLH-R), which is present in the ovaries and testes.
When a pregnancy implants, it produces human chorionic gonadotropin (hCG), which supports the early pregnancy.
The four types of ovulation agents are gonadotrophins, gonadotrophins-releasing hormone, human chorionic gonadotrophin and clomifene.
Used primarily as a female fertility treatment, human chorionic gonadotropin also is popular among users of performance-enhancing drugs.