What's the difference between fen and fern?

Fen


Definition:

  • (n.) Low land overflowed, or covered wholly or partially with water, but producing sedge, coarse grasses, or other aquatic plants; boggy land; moor; marsh.

Example Sentences:

  • (1) Stereoselective degradation of fenoprofen (FEN) glucuronides and irreversible binding of FEN enantiomers to human serum albumin via their glucuronides were studied.
  • (2) In contrast, the chronotropic actions of ISO and FEN on atria from septic rats were mediated by what appears to be beta-2 receptors and those of PREN by beta-1 receptors.
  • (3) Macroscopic treatment-related liver enlargement (hepatomegaly) was observed in male and female rats fed 3000 or 10,000 ppm DC-FEN.
  • (4) One of the hybrids secretes a monoclonal antibody of the IgG3 subtype designated FEN-1, which reacts with 100% of endometrioid ovarian cancer containing adenoacanthoma by indirect immunoperoxidase on paraffin-embedded tissue.
  • (5) This study, probably the first detailed screening of the drug for its genotoxicity, shows that Fen is moderately clastogenic and a DNA damaging agent in vivo.
  • (6) Excreta energy (FE + UE), excreta nitrogen (FN + UN), and excreta energy corrected to zero nitrogen balance (FEn + UEn) losses were measured at 24-hr intervals as were body weights (BW) and weight losses (delta BW).
  • (7) In contrast, phencyclidine produced predominantly (greater than 50%) saline-appropriate responding, indicating that the DS effect of phencyclidine was unlike either AMPH or FEN.
  • (8) Concentrations of SAL, FEN, and FOR equivalent to 100 KD of the respective dissociation constants stimulated beta 2-adrenoceptor-coupled adenylate cyclase with different intrinsic activities (%) incomparison to ISO (SAL, 61%; FEN, 63%; FOR, 89%) matching intrinsic activities for relaxation.
  • (9) Chicks exposed as embryos to FEN were hyperactive and aggressive.
  • (10) In 16 children with steroid-responsive nephrotic syndrome (with minimal changes in the glomeruli) the plasma renin activity and aldosterone level were determined during recurrence of the nephrotic syndrome at the stage of oedema increase (FEN alpha 0.25%) and in early period of remission.
  • (11) Articles drafted by industry with minimal involvement from guest authors have been published in leading journals on hormone replacement therapy (HRT), Vioxx (an anti-inflammatory drug that was withdrawn amid safety fears), Neurontin (used in pain relief), antidepressants, and the combination diet drug, Fen-phen (also withdrawn for safety reasons).
  • (12) The concentrations of isoprenaline (56 nM) and fenoterol (165 nM) required to inhibit EFS (5 Hz) by 50% (IC50) were significantly less than those required to inhibit closely matched ACh responses to a comparable degree (ISO = 117 and FEN = 304 nM), and the maximum inhibition of EFS was greater.
  • (13) d-Fen caused an increase in absolute spleen weight and a decrease in absolute splenic cellularity only in the old rats of both sexes.
  • (14) Trichosanthin, an abortifacient, immunosuppressive and anti-tumor protein purified from the traditional Chinese herb medicine Tian Hua Fen, is a potent inhibitor against HIV-1 replication.
  • (15) The results suggest that 5-HT has a selective stimulatory effect on young male and old female NK activity, and that old female rats are more sensitive to the immunological effects of d-Fen than old male rats.
  • (16) Dose-dependent decreases in food intake were observed with AMPH being four times as potent as FEN.
  • (17) The percentage of S-FEN protein adduct was greater than that of its R-enantiomer adduct.
  • (18) Plasma oestradiol levels fluctuated in parallel with neuroendocrine responses to d-FEN.
  • (19) The supersensitivity to the chronotropic actions of ISO and FEN was much greater than that which developed to PREN.
  • (20) In order to examine the effect that ovarian steroids have on this response nine, healthy women were tested twice at three time points in the menstrual cycle: early follicular, mid-cycle and late luteal phase with either d-FEN, a more specific 5-HT agent than the racemic mixture, or placebo.

Fern


Definition:

  • (adv.) Long ago.
  • (a.) Ancient; old. [Obs.] "Pilgrimages to . . . ferne halwes." [saints].
  • (n.) An order of cryptogamous plants, the Filices, which have their fructification on the back of the fronds or leaves. They are usually found in humid soil, sometimes grow epiphytically on trees, and in tropical climates often attain a gigantic size.

Example Sentences:

  • (1) After being thawed at room temperature, the two CM samples were compared as to their pH, spinnbarkeit and ferning patterns, and it was found that they are quite similar.
  • (2) Crude ferredoxin preparations were obtained from blue-green algae, green algae, ferns, and higher plants.
  • (3) A typical fern-like pattern was demonstrated by the crystallized mucus of the healthy individuals.
  • (4) Water ferns (Salviniaceae) and seed ferns (Pteridospermae) are known as the arbitrary type of Lycopsida which did not reach the state of shot structure of the body.
  • (5) Astrocyte endfeet of the GLM became irregular in contour, protruding in a fern-leaf fashion into the pial connective tissue.
  • (6) Thus, the fern bioassay may be an inexpensive means of detecting both chronic low dose and episodic high dose inputs of mutagenic pollutants into aquatic ecosystems.
  • (7) Cervical mucus from 6 demonstrated a 3 to 4+ fern phenomena, indicating significant endogenous estrogen production.
  • (8) Two of the epitopes (I and III) are widely conserved in 34 kDa proteins (presumably B-36 homologues) from the various species tested (Chlamydomonas, moss, fern, oat, onion, carrot, and bean).
  • (9) Words included in this title include mistletoe, gerbil, acorn, goldfish, guinea pig, dandelion, starling, fern, willow, conifer, heather, buttercup, sycamore, holly, ivy, and conker.
  • (10) Parameters studied were Schirmer's test, lacrimal meniscus height, break-up time, fluorescein and rose Bengal stains, conjunctival impression cytology, mucus staining, and the ferning test.
  • (11) The only parameter that correlated with sperm migration into post-partum mucus was ferning formation.
  • (12) ), Fern Probstmeyer, Robert McCombs, Jean P. Brunschwig, and Vladimir Vonka.
  • (13) Two glucosides to enhance histamine release from rat peritoneal mast cells were isolated from rhizomes of bracken fern (Pteridium aquilinum (L.) Kuhn) by column chromatography on Sephadex LH-20 and droplet counter-current chromatography, and named braxin A1 and A2.
  • (14) I picked the strawberries growing up the side of my compost loo for breakfast; physalis and ferns were growing inside my shower; I snacked on pitanga, a delicious sweet-sour berry.
  • (15) Ferning was present in 29% of pipette samples, averaging 0.41 mm2 in the form of FR in the total series.
  • (16) The anisotropic period, 7 days long, is inscribed within the ferning period.
  • (17) Axonemes from the heterosporous water fern Marsilea vestita were fixed in the presence of tannic acid and examined by thin-section electron microscopy.
  • (18) Powdered bracken fern mixed with a basic commercial diet (1:4 by weight) was fed to a group of 40 ICR strain mice for 20 weeks after the implantation of a glass bead into the bladder.
  • (19) I’m obviously a big supporter of the change, I think there are a lot of strong arguments in favour of the change.” Key has previously said he would prefer a new flag featuring the silver fern on a black background.
  • (20) For all the memorable showdowns between Paxman and Tony Blair, it was Fern Britton who extracted the critical admission from Blair that he would have wanted to remove Saddam whether or not Iraq had WMD.

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