What's the difference between seen and unseen?

Seen


Definition:

  • (p. p.) of See
  • () p. p. of See.
  • (a.) Versed; skilled; accomplished.

Example Sentences:

  • (1) At the early phase of the sensitization a T-cell response was seen in vitro, characterized by an increased spleen but no peripheral blood lymphocyte reactivity to T-cell mitogens at the same time as increased reactivity to the sensitizing antigen was detected.
  • (2) We determined whether serological investigations can assist to distinguish between chronic idiopathic autoimmune thrombocytopenia (cAITP) and immune-mediated thrombocytopenia in patients at risk to develop systemic lupus erythematosus (SLE); 82 patients were seen in this institution for the evaluation of immune thrombocytopenia.
  • (3) From these data it is possible to predict theoretically the apparent temperature difference as seen by an infrared scanner or radiometer with a detector of which the spectral detectivity, D (lambda), is known.
  • (4) Marked enhancement of IFN-gamma production by T cells was seen in the presence of as little as 0.3% thymic DC.
  • (5) The results of the evaluation confirm that most problems seen by first level medical personnel in developing countries are simple, repetitive, and treatable at home or by a paramedical worker with a few safe, essential drugs, thus avoiding unnecessary visits to a doctor.
  • (6) Augmentation of transformation response was generally not seen at 40 degrees C; incubation at that temperature was associated with decreased cellular viability.
  • (7) A marked overlap of input from the two eyes is an unusual feature for a diprotodont marsupial and has previously been seen only in the feathertail glider.
  • (8) Developing seminiferous tubules and interstitial cells were first seen on day 26, and were well established one day later.
  • (9) These same molecules may be equally responsible for the pathologic characteristics of the immune response seen, for example, in inflammatory bowel diseases.
  • (10) Examination of the SON in such animals revealed that the oxytocinergic system is already modified by day 12 of dioestrus; during suckling-induced lactation, the anatomical changes are identical to those seen during a normal post-partum lactation.
  • (11) No effect of BSO pretreatments on the incomplete removal of crosslinks over 36 hr of observation was seen.
  • (12) Epidermal growth factor reduced plating efficiency by about 50% for A431 cells in different cell cycle phases whereas a slight increase in plating efficiency was seen for SiHa cells.
  • (13) However, an anti-nef antibody response was also seen in 5 of 93 (5%) nonrisk dermatological patients and in 4 of 37 (11%) healthy blood donors.
  • (14) The regional distribution of beta-adrenoceptor subtypes was found to be similar to that seen in the rat brain.
  • (15) The inhibition was not seen in longitudinal muscle without myenteric plexus.
  • (16) Chloroquine induced large cytoplasmic vacuoles, whereas the other drugs (quinacrine, 4,4'-diethylaminoethoxyhexestrol, chlorphentermine, iprindole, 1-chloro-amitriptyline, clomipramine) caused formation of lamellated or crystalloid inclusions as usually seen in drug-induced lipidosis.
  • (17) Reasonably good agreement is seen between theoretical apparent rate-vesicle concentration relationships and those measured experimentally.
  • (18) The defensive modifications of the functions of the ego itself seen in micropsia are closely allied to those seen in the dèjá vu experience and in depersonalization.
  • (19) It is concluded that TRH is a specific activator of enteric excitatory pathways and that duodenal inhibition seen in control animals is a consequence of gastro-duodenal inhibitory reflexes.
  • (20) Only seven films (or 0.7 percent of the entire cohort) showed nodular or rounded opacities of the type typically seen in uncomplicated silicosis.

Unseen


Definition:

  • (a.) Not seen or discovered.
  • (a.) Unskilled; inexperienced.

Example Sentences:

  • (1) The number of killings in Iraq has reached levels unseen since 2008 in recent months and Sunday's attacks bring the death toll across the country in October to 545, according to an Associated Press count.
  • (2) Concentrate on the way he constructs the space of an interior or orchestrates a sensual camera movement that he invented himself - the camera gliding on unseen tracks in one direction while uncannily panning in another direction - and you perceive how each Dreyer film almost brutally reconstructs the universe rather than accepting it as a familiar given.
  • (3) The documentary, Jane Austen: The Unseen Portrait?, is due to air on BBC2 on Boxing Day.
  • (4) Cultural anthropologists in America have begun a glossary for what they call “an Anthropocene as yet unseen”, intended as a “resource” for confronting the “urgent concerns of the present moment”.
  • (5) • Students will have read texts from the 19th, 20th and 21st centuries in preparation for an 'unseen texts' exam component.
  • (6) Close your eyes and imagine a teacher at an underperforming comprehensive, struggling to cope with relentless pressure from students, parents and governors – not to mention the unseen threat of Ofsted – and keeping going only by remembering that they made a vow years before.
  • (7) For two and a half years the faxes disappeared into the inner workings of Paisley Park (which, it turned out, actually looked like a B&Q warehouse), unacknowledged, unanswered, and, for all we knew, unseen.
  • (8) Because of the existence of formerly "unseen," unextractable residues, the concept of "persistent" and "nonpersistent" pesticide residues might have to be reconsidered.
  • (9) The revised exam will require the analysis of unseen texts, which the DfE says will reward students who have read widely.
  • (10) For the most part, their journeys pass unseen, until they hit a barrier – the English Channel; the lines of police at Ventimiglia on the Italy-France border; the forests of Macedonia – that creates a bottleneck and leads to scenes of destitution and chaos.
  • (11) I imagine the unseen rooms, and scenes from Edward Hopper.
  • (12) His live shows begin with a skit mocking the pipsqueak talents of Jimi Hendrix: what price expanding the vocabulary of the rock guitar in a way unseen before or since when compared to a man from Penarth singing Yakety Yak?
  • (13) The presenter was accused by the Daily Mirror of using the language in what appeared to be an unseen clip from the BBC2 show.
  • (14) Together, these studies demonstrate that subjects could not usually detect the lateral orientation of previously-seen or of unseen photographs of faces.
  • (15) An extraordinary group of hitherto unseen colour photographs by Robert Capa , one of the 20th century's greatest photojournalists, is to be seen for the first time.
  • (16) The site, called t he Intercept , reported Monday that the National Security Agency has used cell phone geolocation to help pinpoint targets for US drone strikes overseas, and published previously unseen photographs of major US intelligence facilities.
  • (17) Previously unseen evidence of atrocities emerged during the case when colonial-era files withheld from the National Archives were discovered by historians working with the claimants' lawyers.
  • (18) By his own lofty standards Cavendish's return of two stage wins from this year's Tour has been paltry and myriad signs of hitherto unseen fallibility, a team that is clearly not good enough to work in his service and suggestions that his star is on the wane will leave him with much to ponder.
  • (19) No group differences in the ability to correctly predict the unseen plant's outcome were obtained.
  • (20) The investigation and adjudication process operates in most parts unseen and unheard,” he said.

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