What's the difference between nacreous and rainbow?

Nacreous


Definition:

  • (a.) Consisting of, or resembling, nacre; pearly.

Example Sentences:

  • (1) When nacreous shell produced by the marine oyster Pinctada maxima, used as a biomaterial in oral surgery, is implanted in human bone, new bone formation occurs, resulting in a tight welding of the bone to the nacre [16].
  • (2) Etching with the glutaraldehyde-acetic acid solution reveals that the nacreous tablets in Mytilus, Nucula, and Unio are composed of four crystal individuals which occur in two structurally different pairs and which are probably cyclically twinned.
  • (3) The crystalline phases at the first few lamellae were mostly imperfect while the whole nacreous layer acquitted itself into a highly oriented biomineralized aragonite.
  • (4) From these morphological observations, a regulatory role for the various periostracal layers in mineral trapping, nucleation, and the subsequent formation of the prismatic and nacreous layers of the shell can be postulated.
  • (5) In all three genera, the nucleation of new nacreous tablets invariably takes place on the top surface of the less-soluble crystal individuals.
  • (6) Transmission electron microscope studies of the cellular nucleation sites of a biomineralized calcium carbonate(aragonite) in the lamellar nacreous layer of the bivalvia Cristaria plicata (Leach) shell showed that the low density calcium particles were confined within some large vesicles of the bivalve mantle cells on which the crystalline aragonite phases were deposited.
  • (7) The stack-like growth of the nacreous tablets in the marginal region of the shell in Nucula is probably related to the exceptionally large-sized, less-soluble crystal individuals in the nacreous tablets of this region.
  • (8) DA is half-moonish and white-nacreous in rodents; its upper surface presents a longitudinal crest.
  • (9) Larval Schistosoma mansoni have been shown to induce morphological changes to the internal calcium reserves (in particular the calcareous inclusions in Type A calcium cells and to the inner, nacreous layer of the shell) of Biomphalaria glabrata within 48 h of miracidial penetration.
  • (10) Upon cessation of flow, the nacreous effect decays in 2-3 min, corresponding to the time required for the discs to achieve random orientations by rotatory Brownian motion.
  • (11) The reaction product was conspicuous in the cell walls and tended to be concentrated in the middle lamella and in the nacreous wall layer of the differentiating sieve elements.

Rainbow


Definition:

  • (n.) A bow or arch exhibiting, in concentric bands, the several colors of the spectrum, and formed in the part of the hemisphere opposite to the sun by the refraction and reflection of the sun's rays in drops of falling rain.

Example Sentences:

  • (1) It felt like my very existence was being denied,” said Hahn Chae-yoon, executive director of Beyond the Rainbow Foundation.
  • (2) In the saccus dorsalis of the rainbow trout, Salmo gairdneri Richardson, the activity of various enzymes (transferase, lyases, oxidoreductases, hydrolases) have been studied in detail.
  • (3) In fish tests, rainbow trout (Salmo gairdneri) were caged at the discharge site and simultaneously at a reference area.
  • (4) In the retina of the rainbow trout (Salmo gairdneri, Richardson) two types of microtubular structures are demonstrated.
  • (5) Was he being put forward as the foremost literary novelist of his generation, one whose best-known work stands comparison with The Naked and the Dead , Gravity's Rainbow , American Pastoral , Beloved and Underworld ?
  • (6) As the Democrats have often found in the US, when they have tried to construct rainbow coalitions out of class- and colour-defined blocs of the population, groups that can be counted on wholesale in theory often splinter into individuals that it may not be possible to count on at all.
  • (7) The excretion routes and tissue distribution of [3H]pristane were measured in rainbow trout, Salmo gairdneri, after a single intragastric dose (0.1 mg).
  • (8) After 36% of hepatic mass removal , rainbow trout recovered its initial liver weight in 20-30 days, i.e., with a regeneration rate clearly lower than in mammals.
  • (9) Rainbow trout were infused continuously for 24 h with epinephrine in order to elevate circulating levels to those measured during periods of acute extracellular acidosis (about 5 X 10(-8) mol l-1).
  • (10) Various compounds, with known clinical efficacy against human viruses, were evaluated for their ability to inhibit the growth of infectious hematopoietic necrosis virus (IHNV, a rhabdovirus), and infectious pancreatic necrosis virus (IPNV, a birnavirus), in rainbow trout cell cultures.
  • (11) In the rainbow trout hepatoma cell line, ZnCl2 was a better inducer of the MT-B gene, as compared to CdCl2 and CuCl2.
  • (12) Two distinct coding sequences (A and B) were elucidated for rainbow trout metallothioneins but single isoforms were encoded by genes isolated from the stone loach and pike.
  • (13) Rainbow trout brain extracts contained CCK-li that co-eluted with CCK-8 in gel permeation chromatography whereas CCK-li extracted from the various gut regions exhibited marked molecular heterogeneity.
  • (14) Another free school, Rainbow Primary in Bradford, opened despite the local authority telling the government that "these additional primary places are not required, especially in light of … plans to expand a number of existing primary schools and the expansion of some existing academies to all-through schools".
  • (15) Transgenic rainbow trout (RT) were generated in earlier experiments by an in vivo modification of the chromosome-mediated gene transfer technique.
  • (16) However, reproducing populations of the most sensitive species, rainbow trout, have been observed in surface waters in these regions, indicating no cause for concern.
  • (17) The fact is, you can’t quite see the tartan rainbow when you’re living right under it.
  • (18) In the rainbow trout intestine, where SP-like material may be released from both nerve fibres and endocrine cells, it is indicated that the contractile effect is in part direct upon the smooth muscle and in part via stimulation of cholinergic and serotonergic neurons.
  • (19) Rainbow trout are known to be more susceptible to aflatoxin B1 (AFB1) hepatocarcinogenesis than coho salmon, or trout pre-fed the carcinogenesis inhibitors beta-naphthoflavone (beta NF), Aroclor 1254 or indole-3-carbinol.
  • (20) By employing rainbow trout growth hormone cDNA as a probe, the coho salmon cDNA was isolated and the complete nucleotide (nt) sequence determined.

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