(n.) A thin membrane surrounding the embryos of mammals, birds, and reptiles.
Example Sentences:
(1) We also show that proliferation of primary amnion cells is not dependent on a high c-fos expression, suggesting that the function of c-fos is more likely to be associated with other cellular functions in the differentiated amnion cell.
(2) Lactate dehydrogenase activity was higher in the amnion than in the chorion (p less than 0.01).
(3) Significantly more PP12 (P less than 0.001) was released into the medium from decidual explants than from chorion and amnion explants throughout the experimental period of 24 h. When incubated under identical conditions, placental explants released no detectable PP12.
(4) The organisms are transmitted transovarially, diaplacentally, via endometrium, before or after implantation, via amnion or by the semen when ascending through the infectious environment.
(5) EGF alone or in combination with dexamethasone increased lipocortin 1 formation in amnion cells.
(6) Population studies of continuously cultured primary amnion cells from appropriate donors and of HeLa cells have established that the H- cell behaves as a stem cell which commonly divides into a like cell and a differentiated H+ type.
(7) The effect of mEGF on amnion cell PGE2 production was dependent on the time of treatment and the concentration of mEGF used.
(8) The take of the transplanted free skin flap on the hand was proved to be influenced by the degree of immobilization of the hand operated on and the transplanted graft, the efficiency of permanent anesthesia of the humeral plexus of the operated arm and by tissue therapy with the amnion suspension.
(9) In our opinion in case of typical anamnesis the cerclage-operation is to be performed earlier than in the practice up till now, before opening the cervical os, and the infection of the amnion.
(10) Placental HGF was expressed strongly in the villous syncytium, extravillous trophoblast, and amnionic epithelium, and, to a lesser degree in endothelial cells and villous mesenchyme.
(11) We used data from the population-based Metropolitan Atlanta Congenital Defects Program to study the epidemiology of the early amnion rupture spectrum of defects.
(12) Electron microscopy confirmed the disruption of the basement membrane of the amnion by PMA-stimulated PMN.
(13) A concentration-dependent increase in PGE2 production by amnion cells occurred in response to natural purified and recombinant IL-1 preparations.
(14) LLC-MK(2), HeLa, and human embryo skin cells produced moderate amounts of virus, but FL amnion and primary chick embryo fibroblasts supported little virus growth.
(15) Hybridization of polyadenylic-(+)ribonucleic acid extracted from amnion, chorion, decidua parietalis, basal plate, and placental trophoblast with a radiolabeled 48 mer oligonucleotide and a 540 base pair complementary deoxyribonucleic acid probe to human placental lactogen showed the placental trophoblast to be the major source of human placental lactogen and the extravillous chorion and basal plate to be additional minor sources.
(16) Amniotic bands in consequence of early rupture of amnion-membrane was found in a spontaneously aborted gestational sac.
(17) During continuing infusion, following 210 min of iodoinsulin delivery, intact conceptuses (embryo, amnion, and yolk sac), and portions of adjacent decidua, liver, and spleen were excised, rinsed, and frozen in liquid N2 within 2 min.
(18) We employed a sensitive in vitro amnion invasion assay to examine the relationship of the invasive ability of numerous mouse and human tumor cell lines and their variants to their ability to spontaneously or artificially metastasize; we also studied possible enzymatic activities involved in the in vitro invasion process.
(19) (5) In the case of transmission the frequency of cellular infiltration of the amnion and umbilical vein wall is significantly higher than in the cases of normal gestations.
(20) All amnions restrict AFP movement into maternal serum, but some are distinctly more restrictive than others; in such cases, a relatively greater increase in amniotic fluid AFP concentration would likely have to occur from a fetal lesion before being reflected in maternal serum.
Chorion
Definition:
(n.) The outer membrane which invests the fetus in the womb; also, the similar membrane investing many ova at certain stages of development.
(n.) The true skin, or cutis.
(n.) The outer membrane of seeds of plants.
Example Sentences:
(1) Confined placental chorionic mosaicism is reported in 2% of viable pregnancies cytogenetically analyzed on chorionic villi samplings (CVS) at 9-12 weeks of gestation.
(2) Lactate dehydrogenase activity was higher in the amnion than in the chorion (p less than 0.01).
(3) Investigations on the influence of the diuresis effect on the results of quantitative estrogen and human chorionic gonadotropin (HCG) determination revealed that the estrogen values increase with the 24-hour amount of urine.
(4) Eight-week-old virgin untreated female mice were induced to ovulate using equine chorionic gonadotropin (eCG) and human chorionic gonadotropin (hCG), and were then caged with males overnight.
(5) Arising from a poorly differentiated thyroid papillary carcinoma we have established a cell line synthesizing the thyroglobulin and human chorionic gonadotropin (alpha and beta subunits) (HCG) hormones.
(6) Significantly more PP12 (P less than 0.001) was released into the medium from decidual explants than from chorion and amnion explants throughout the experimental period of 24 h. When incubated under identical conditions, placental explants released no detectable PP12.
(7) In the Netherlands, researchers studied the medical records of and followed-up on 151 women of advanced maternal age (at least 36 years old) who underwent amniocentesis or chorionic villus sampling (CVS) and elected to terminate the pregnancy due to an abnormal genetic finding (105 and 46 women, respectively) at Academic Hospital Rotterdam-Dijkzigt between January 1980 and December 1989.
(8) Since our previous study revealed low basal testosterone (T) levels and a failure in response to an acute stimulation with human chorionic gonadotropin (HCG) despite of a good response to chronic stimulation in scorbutic mutant rats, time course of the response to HCG was studied and plasma LH level was measured in young adult rats deficient in ascorbic acid for 3 weeks.
(9) The following examinations could be proposed: in high risk cases determined before pregnancy, a chorionic villus sampling should be done between the 9th and 11th weeks of gestation; in low risk cases such as advanced maternal age, a first trimester chorionic villus sampling or a second trimester amniocentesis could be chosen; in the case of Down's syndrome, warning signs, for example ultrasonographic or biological parameters, a second trimester placental biopsy to relieve the parents' anxiety; in high risk cases such as ultrasonographic malformations, late placental biopsy or cordocentesis.
(10) There was an upstream "HTF" island (Hpa II tiny fragments) followed by four direct repeats of the "chorion box" enhancer.
(11) With the use of the radioimmunoassay for growth hormone--releasing inhibiting factor (GIF), it was found that measurable amounts of GIF-like substance existed in the chorionic villi and decidua of pregnant women.
(12) Cells (10(5] were incubated at 37 C for 3 h in medium 199 in the presence or absence of 10 nM ACTH, 10 nM ovine PRL, 10 nM ovine GH, 50 nM hCG, or 50 nM human chorionic somatomammotropin.
(13) Eight women at risk of bearing a child with a genetic defect had diagnostic chorionic villi sampling.
(14) 1)"Nomal secundinae" or "physiological leucocytosis at ruptured chorionic membranes": there are but a few cases (3 to 5%) of amniotic infection syndroms or morphological signs of an aspiration of infected amniotic fluid and fetal sepsis.
(15) Three patterns of inflammation of the chorion-decidua were identified: marginating, nonmarginating, and a mixed pattern.
(16) The effect of combined treatment was studied in 97 patients with nonseminomatous testicular tumors with regional and distant metastases with regard to the blood serum levels of alpha-fetoprotein and chorionic gonadotropin.
(17) We analyzed the trophoblast subpopulations which appear on touch smears of chorionic villi morphologically and immunohistochemically, using the uterine contents of 37 cases of induced abortion.
(18) Urinary pregnanediol-3 alpha-glucuronide measured by enzyme immunoassay exhibited predictive values for detecting ectopic gestations comparable with random serum progesterone or serum beta-human chorionic gonadotropin values.
(19) Altogether 10 reports on the safety of chorionic villus sampling, either by the transcervical (TC) or the transabdominal (TA) approach, were reviewed and combined with our own data.
(20) In the other patients, serum beta-human chorionic gonadotropin levels decreased to the nonpregnant range with no further intervention, and the patients recovered uneventfully.