What's the difference between fen and pen?

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have been published in leading journals on hormone replacement therapy (HRT), Vioxx (an anti-inflammatory drug that was withdrawn amid safety fears), Neurontin (used in pain relief), antidepressants, and the combination diet drug, Fen-phen (also withdrawn for safety reasons).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.

Pen


Definition:

  • (n.) A feather.
  • (n.) A wing.
  • (n.) An instrument used for writing with ink, formerly made of a reed, or of the quill of a goose or other bird, but now also of other materials, as of steel, gold, etc. Also, originally, a stylus or other instrument for scratching or graving.
  • (n.) Fig.: A writer, or his style; as, he has a sharp pen.
  • (n.) The internal shell of a squid.
  • (n.) A female swan.
  • (v. t.) To write; to compose and commit to paper; to indite; to compose; as, to pen a sonnet.
  • (n. & v.) To shut up, as in a pen or cage; to confine in a small inclosure or narrow space; to coop up, or shut in; to inclose.
  • (n.) A small inclosure; as, a pen for sheep or for pigs.

Example Sentences:

  • (1) Why bother to put the investigators, prosecutors, judge, jury and me through this if one person can set justice aside, with the swipe of a pen.
  • (2) And if the Brexit vote was somehow not respected by Westminster, Le Pen could be bolstered in her outrage.
  • (3) Auranofin (AF), D-penicillamine (D-pen) and thiola are prescribed as disease-modifying drugs in the treatment of rheumatoid arthritis (RA).
  • (4) It’s clear which way the ultra-right community around Ukip wishes to go: their timelines are full of praise for Marine Le Pen and Geert Wilders , and blazing with imagery – both real and fake – of migrant riots in France and Sweden.
  • (5) Superman fans are up in arms at the decision of the publisher to appoint a noted anti-gay writer to pen the Man of Steel's latest adventures.
  • (6) By moving an electronic pen over a digitizing tablet, the subject could explore a line drawing stored in memory; on the display screen a portion of the drawing appeared to move behind a stationary aperture, in concert with the movement of the pen.
  • (7) Left ventricular cavity and muscle areas of each image were planimetered with a light-pen system and summated for volume: total volume = sigma (areas x 3 mm).
  • (8) The integrated sensing system is an ideal instrumental set up for viewing and recording the behaviour of rodents as well as other animals in the experimental pen throughout the year under varying weather and light conditions.
  • (9) The pullets were housed in battery brooder pens with raised wire floors.
  • (10) The dogs were housed in gravel-based, outdoor pens with doghouses in a high-altitude, high-sunshine level environment.
  • (11) There is a simple solution, formulated by English PEN, the Manifesto Club and the Earl of Clancarty, who raised the matter in the Lords earlier this year: remove short-term visits by non-EU artists from the PBS and expand the entertainer route, letting paid and unpaid artists qualify.
  • (12) In France last year, Marine Le Pen scored 18% in the presidential election and is now powering ahead against François Hollande, while in the Netherlands Geert Wilders' Freedom party is polling at 15%.
  • (13) With a stroke of his pen, he effectively declared the end of racism in America.
  • (14) The 27-year-old has put pen to paper on a three-and-a-half-year deal at the Emirates – he will wear the No23 shirt at the club – though confirmation that the deal had been ratified by the Premier League did not come until just before 5pm tonight.
  • (15) Harnessing its greatest asset – its authors – PEN is planning to publish an open letter to each of the five imprisoned writers every day this week, in the run up to the 33rd annual Day of the Imprisoned Writer on 15 November.
  • (16) An area on top of a hill near to the spot where Sharon was laid to rest alongside his late wife, Lily, was penned off with crash barriers.
  • (17) Deaths, 40 on CAZ and 21 on AG+PEN, were mainly related to their underlying condition.
  • (18) There is a god who protects me, and I just don’t believe Hofer will send me to a concentration camp.” Like Marine Le Pen’s Front National, the Freedom party has actively tried to distance itself from its antisemitic past since at least 2010, when it joined a cross-party alliance in the European parliament with Geert Wilders’ Party for Freedom and Italy’s Northern League.
  • (19) But Ukip is not the NF nor Trump, Nigel Farage is not Le Pen, father, daughter or niece Marion.
  • (20) I don’t think we should spend too long doing it.” Farage enjoyed support from the far-right French politician and Front National leader, Marine Le Pen , who spoke next.

Words possibly related to "fen"

Words possibly related to "pen"