(n.) A substance of a strongly marked yellow color, extracted from the yelk of eggs, and from the tissue of the corpus luteum.
Example Sentences:
(1) Determination of plasma luteinizing hormone (LH) levels in the peripubertal female rats revealed that plasma LH was increased transiently immediately after NPY administration.
(2) The high concentrations of gonadotropins present in immature female rats by the end of the second week of life were suppressed by treatment with an antagonist against luteinizing hormone-releasing hormone (LHRH-A; Org.
(3) Serum and pituitary gonadotropins, hypothalamic luteinizing hormone-releasing hormone (LHRH), and the profile of FSH forms across the isoelectric focusing gel were determined by radioimmunoassay.
(4) The effects of Lisuride, a dopaminergic agonist, on the levels of plasma prolactin (PRL), testosterone, luteinizing hormone (LH), follicle-stimulating hormone (FSH), and on the variations of libido and coital frequency of patients with chronic renal failure (CRF) have been investigated in a group of 20 male patients (ten normoprolactinemic and ten hyperprolactinemic).
(5) Antitumoral effects of the agonist of luteinizing hormone-releasing hormone (D-Trp-6-LH-RH) and the somatostatin analog RC-160 (D-Phe-Cys-Tyr-D-Trp-Lys-Val-Cys-Trp-NH2) on chemically induced ductal pancreatic adenocarcinomas were studied.
(6) Serum testosterone, luteinizing hormone (LH), testicular histology and ultrastructure were examined in 91 spontaneously diabetic BB, semi-starved, and control Wistar rats.
(7) The effect of 5 beta- and 5 alpha-reduced progestins on luteinizing hormone-releasing hormone (LH-RH) release was examined using either an in vitro superfusion or an in vivo push-pull perfusion (PPP) technique.
(8) Treatment with the analog significantly increased serum luteinizing hormone and follicle-stimulating hormone levels, but suppressed accessory sex organ weights.
(9) Despite decreasing luteinizing hormone (LH) levels and increasing FSH levels, androgen levels increased during stimulation on both protocols.
(10) Thyrotropin-releasing hormone (TRH) and luteinizing hormone-releasing hormone (LH-RH) have been measured by radioimmunoassay in individual human hypothalamic nuclei.
(11) Daily determinations of luteinizing hormone activity in plasma throughout a menstrual cycle in ten young women showed a sharp peak of activity lasting less than 48 hours around midcycle and higher mean values during the follicular phase than during the luteal phase in nine instances.
(12) The plasma content of testosterone, dihydrotestosterone, sex hormone binding globulin, apparent free testosterone concentration, follicle-stimulating hormone, and luteinizing hormone were not significantly different between the groups.
(13) The excretion of luteinizing hormone (LH), dopamine, and 5-oxyindolacetic acid (5-OILC) was measured daily over the course of 18 cycles in 15 women, aged 25-30 years.
(14) No changes were observed in basal serum luteinizing hormone (LH), follicle-stimulating hormone (FSH), growth hormone (GH) and cortisol levels, in LH and FSH levels after luteinizing hormone-releasing hormone (LH-RH) stimulation, or in GH and cortisol levels during insulin-induced hypoglycemia.
(15) Plasma testosterone and 5 alpha-dihydrotestosterone concentrations tended to be reduced at these times (though not significantly), while plasma luteinizing hormone concentrations were generally unaffected.
(16) Whereas granulosa cells in developing follicles were either unstained or lightly stained, the heavily luteinized granulosa cells of the preovulatory stimulated follicle were strongly positive for immunoreactive renin and angiotensin II.
(17) There was a trend towards reduced testosterone and increased luteinizing hormone and follicle stimulating hormone in serum at 5000 and 20,000 ppm.
(18) Specific hormonal, cellular, subcellular, and molecular events regulating alpha 2M mRNA and protein have been analyzed during follicular growth, ovulation, and luteinization using complementary in vivo and in vitro models.
(19) The aims of this study were (1) to investigate culture conditions for optimal IN production by luteinized GC (LGC) from rhesus monkeys and (2) to compare IN and progesterone (P) production by nonluteinized GC (NGC) and LGC in response to putative agonists.
(20) In 8 of 12 women, IQCCM occurred 2 days before luteinizing hormone peak; in 4 reexamined women, the same results were observed about the intervals from IQCCM onset and luteinizing hormone peak.
Pigment
Definition:
(n.) Any material from which a dye, a paint, or the like, may be prepared; particularly, the refined and purified coloring matter ready for mixing with an appropriate vehicle.
(n.) Any one of the colored substances found in animal and vegetable tissues and fluids, as bilirubin, urobilin, chlorophyll, etc.
(n.) Wine flavored with species and honey.
Example Sentences:
(1) The results also suggest that the dispersed condition of pigment in the melanophores represents the "resting state" of the melanophores when they are under no stimulation.
(2) Differences between the albino vs pigmented strains were observed following injections of saline.
(3) Two lectins, wheat germ agglutinin (WGA) and peanut agglutinin (PNA), were used to compare domains within the interphotoreceptor matrices (IPM) of the cat and monkey, two species where the morphological relationship between the retinal pigment epithelium (RPE) and photoreceptors is distinctly different.
(4) Uptake studies with 22Na were performed in cultured bovine pigmented ciliary epithelial cells, in order to characterize mechanisms of Na+ transport.
(5) CW Nd:YAG light transmitted by fiber optic cable and sapphire crystal was applied transsclerally to the ciliary body of pigmented and albino rabbits.
(6) The evolution and function of multiple forms of a given photosynthetic pigment in vivo are discussed.
(7) Changes in protein phosphorylation induced by phagocytic challenge were identified in cultured rat retinal pigment epithelium (RPE) following exposure to isolated rat rod outer segments (ROS) or to polystyrene latex microspheres (PSL).
(8) Both categories frequently showed pellagrous pigmentation and mucocutaneous signs of B-vitamin deficiency.
(9) We show that, in digitonin-permeabilized goldfish xanthophores, the pigment organelles can be induced to disperse by a combination of cAMP, ATP, and xanthophore cytosol.
(10) A red pigment produced by the actinomycete strain B 4358 was identified as butyl-meta-cycloheptylprodiginine (4) by 1H, 13C and correlation via long range coupling NMR spectra.
(11) Two unusual types of oral mucosal pigmentation are reported.
(12) These results are consistent with the idea that RPE pigment dispersion is triggered by a substance that diffuses from the retina at light onset.
(13) Rhabdomeres are substantially smaller and visual pigment is nearly eliminated when Drosophila are carotenoid-deprived from egg to adult.
(14) It is hypothesized that deposition of bilirubin in tissues takes place as an ongoing event, the deposited pigment being eliminated by bilirubin oxidase in healthy infants.
(15) The calculated separation between the centers of these two pigments (using an extended version of the exciton theory) is about 10 A, the pigments' molecular planes are tilted by about 20 degrees, and their N1-N3 axes are rotated by 150 degrees relative to each other.
(16) We have investigated enhancement of pigmentation in inbred C3H- mice using tail skin as a model for testing the effects of phosphorylated DOPA (DP) and ultraviolet radiation.
(17) Although mucocutaneous pigmentation was not present in two of the three patients, the features of intestinal polyposis are consistent with those of Peutz-Jeghers syndrome.
(18) Cytochromes b, c(555), possibly c(1), cytochrome oxidase, a carbon monoxide-binding pigment, and flavoproteins were detectable in the spectra of both intact cells and mitochondria.
(19) The addition of alcohol to the drinking-water resulted in the formation of stones rich in pigment.
(20) The total number of neuronal cell bodies was 25% lower in AIDS (P less than 0.01) than in 12 age-matched controls, although the volume density of neuronal melanin did not differ from that of controls because the percentage of pigmented cell bodies was higher (P less than 0.01) and the cell bodies were more fully packed with melanin in AIDS.