(n.) That part of the pistil which contains the seed, and in most flowering plants develops into the fruit. See Illust. of Flower.
(n.) The essential female reproductive organ in which the ova are produced. See Illust. of Discophora.
Example Sentences:
(1) Although Jeggo's Chinese hamster ovary cells were more responsive to mAMSA, novo still abrogated mAMSA toxicity in the mutant cells as well as in the parental Chinese hamster ovary cells 2,4-Dinitrophenol acted similarly to novo with respect to mAMSA killing, but neither compound reduced the ATP content of V79 cells.
(2) This study was designed to investigate the localization and cyclic regulation of the mRNA for these two IGFBPs in the porcine ovary, RNA was extracted from whole ovaries morphologically classified as immature, preovulatory, and luteal.
(3) Stimulation of dopamine D2 receptors potentiates Ca2+ ionophore- or ATP-induced arachidonic acid (AA) release in D2 receptor cDNA-transfected Chinese hamster ovary (CHO) cells [CHO(D2)].
(4) Stable mutants which are between 1.6- and 2.2-fold resistant to the microtubule inhibitor, nocodazole (NocR mutants) have been isolated in Chinese hamster ovary cells after a single-step selection.
(5) Ovarian venous concentrations of these four steroids from the side draining the tumor-bearing ovary were increased in 40 to 80% of the women.
(6) Ovarian aromatase activity, assessed by incubating the homogenised ovaries of treated rats with tritium-labelled androstenedione (0.2 microM) or testosterone (1 microM), indicated that residual enzyme activity was reduced compared with controls.
(7) The normal tissues included the ovary, fallopian tube, uterine endometrium, uterine cervix, and vagina.
(8) To determine where in the cell cycle Chinese hamster ovary cells die following heating in G1, a mild hyperthermia treatment, i.e., 10 or 11.5 min at 45.5 degrees C, resulting in 40-50% cell kill was used.
(9) The clinical and pathological features of a patient with giant cell arteritis of the uterus and ovaries are described.
(10) The surface of the ovary has been found to be composed of two types of epithelial cells called A and B cells which are found in their own respective zones, the A and B zones.
(11) As early as postnatal Day 2, NPY-I nerves were observed in connective tissue septa of the developing ovary.
(12) This increase was consistent with the stimulation of the total renin concentration in the ovary.
(13) Only 7 of 241 hatchlings had gonads that had not differentiated fully into ovaries or testes.
(14) We now report on the Singapore Chinese experience, in which the following changes were notable: decreases in rates of cancers of the stomach and oesophagus and increases in rates of cancers of the lung, colon, rectum, skin (excluding melanoma), breast and ovary.
(15) This study demonstrated that the ovaries did not influence uterine growth until after 60 d of age and that unilateral ovariohysterectomy could be performed as early as 60 d of age without altering consequent normal uterine growth.
(16) In ovaries, GtH stimulates production of 17 alpha-hydroxyprogesterone in the thecal cells.
(17) We have used a rapid in vivo recombinational method to clone and completely sequence 34 UV-induced mutants at the adenine phosphoribosyltransferase (APRT) locus of Chinese hamster ovary cells.
(18) None of the rete-depleted ovaries exhibited normal follicular differentiation regardless of the presence or absence of the surface epithelium, whereas follicles developed normally in all the implants containing the rete system.
(19) Interpretation of the results shows that the ovary of the European eel contains the following enzymes: a 3 beta-hydroxysteroid dehydrogenase, 5----4-ene-isomerase complex, a 17 alpha-hydroxylase, a C21-C19 desmolase, a 17 beta-hydroxysteroid oxidoreductase, a 5 alpha-reductase, a 3 beta-hydroxysteroid oxidoreductase and an aromatase complex.
(20) The data are expressed as percent inhibition of ovulation in the treated vs. the untreated ovaries.
Placenta
Definition:
(n.) The vascular appendage which connects the fetus with the parent, and is cast off in parturition with the afterbirth.
(n.) The part of a pistil or fruit to which the ovules or seeds are attached.
Example Sentences:
(1) These studies, in addition to demonstrating that the placenta contains TRH deamidase activity, suggest that losses of fetal TRH through the placenta are not large.
(2) A cDNA library prepared from human placenta has been screened for sequences coding for factor XIIIa, the enzymatically active subunit of the factor XIII complex that stabilizes blood clots through crosslinking of fibrin molecules.
(3) 1) The incidence of premature rupture of the membranes (PROM), threatened premature delivery, toxemia and abruption placentae were 40.6, 36.4, 7.8 and 3.0%, respectively.
(4) By contrast, there was a rapid exchange of tracer Leu carbon between placenta and fetus resulting in a significant flux of labeled KIC from placenta to fetus.
(5) GnRH has paracrine (local) effects in the gonads and placenta, acts as a neurotransmitter in the central nervous system, and has autocrine regulatory effects in some tumour cells.
(6) However, a history of abruptio placentae revealed an 11-fold risk of premature separation of placentae in subsequent pregnancy.
(7) In the first model, the kinetics of the number of bacteria in the spleen, liver, and placenta of mice inoculated intravenously on day 16 of pregnancy were monitored for 48 h after infection.
(8) This was either giant teratoma of placenta or malformed twin foetus.
(9) DNA of cytomegalovirus (CMV) was examined in 131 placentae and 28 umbilical blood specimens by DNA-DNA hybridization.
(10) A stillborn girl, with external signs of trisomy 18 syndrome, was subsequently shown to have a mosaic pattern in both the lymphocytes and the placenta.
(11) The placenta was demonstrated to increase in thickness with advancing menstrual age.
(12) Glutathione S-transferase (GST) purified from Schistosoma mansoni or human placenta was inhibited by the antischistosomal drug oltipraz (OPZ) in a time- and concentration-dependent manner.
(13) We have found FLT4 expression in human placenta, lung, heart, and kidney, whereas the pancreas and brain appeared to contain very little if any FLT4 RNA.
(14) Based on morphological, virological, biochemical and molecular biological data, it is proposed that the presence of endogenous retrovirus particles in the placental cytotrophoblasts of many mammals is indicative of some beneficial action provided by the virus in relation to cell fusion, syncytiotrophoblast formation and the creation of the placenta.
(15) The levels of oestrogens and progesterone were greater (P less than 0.05) in the umbilical vein than umbilical artery, indicating the endocrine function of the placenta.
(16) In each rabbit, a single fetal sac was opened, the umbilical vessels were cannulated and the placenta was perfused in situ with buffered Krebs solution containing Dextran.
(17) Two similar, 41- and 67-kDa G-proteins were identified in the wheat germ-purified insulin receptor preparations obtained from human placenta.
(18) It was concluded that (i) free fatty acids can cross the rabbit placenta in amounts sufficient to provide the fatty acid components of stored triglyceride and structural lipids; (ii) placental transport of free fatty acids depends in part on maternal blood concentration and on foetal uptake; (iii) foetal circulating free fatty acids are continually exchanging with fatty acid pools in the placenta and with the maternal circulating free fatty acids.
(19) We postulate that the apposition of trophotaenial epithelium to the internal ovarian epithelium constitutes a placental association equivalent to a noninvasive, epithelioform of an inverted yolk sac placenta.
(20) These data suggest that fasting mobilizes maternal fuel stores but that these stores are not effectively used by the placenta or transported to the fetus for storage.