What's the difference between appear and seen?

Appear


Definition:

  • (v. i.) To come or be in sight; to be in view; to become visible.
  • (v. i.) To come before the public; as, a great writer appeared at that time.
  • (v. i.) To stand in presence of some authority, tribunal, or superior person, to answer a charge, plead a cause, or the like; to present one's self as a party or advocate before a court, or as a person to be tried.
  • (v. i.) To become visible to the apprehension of the mind; to be known as a subject of observation or comprehension, or as a thing proved; to be obvious or manifest.
  • (v. i.) To seem; to have a certain semblance; to look.
  • (n.) Appearance.

Example Sentences:

  • (1) A spindle cell sarcoma appeared 20 months after implantation of a pellet of 3-methylcholanthrene in the denervated foreleg of an adult frog, Rana pipiens.
  • (2) However, as other patients who lived at the periphery of the Valserine valley do not appear to be related to any patients living in the valley, and because there has been considerable immigration into the valley, a number of hypotheses to explain the distribution of the disease in the region remain possible.
  • (3) This trend appeared to reverse itself in the low dose animals after 3 hr, whereas in the high dose group, cardiac output continued to decline.
  • (4) 5-HT thus appears to be the preferred substrate for uptake into platelets and for movement from cytoplasm to vesicles.
  • (5) CT appears to yield important diagnostic contribution to preoperative staging.
  • (6) Disease stabilisation was associated with prolonged periods of comparatively high plasma levels of drug, which appeared to be determined primarily by reduced drug clearance.
  • (7) The rash presented either as a pityriasis rosea-like picture which appeared about three to six months after the onset of treatment in patients taking low doses, or alternatively, as lichenoid plaques which appeared three to six months after commencement of medication in patients taking high doses.
  • (8) The angiographic appearances are highly characteristic and equal in value to a histological diagnosis.
  • (9) Slager’s next court appearance is not until 21 August.
  • (10) Cellulase regulation appears to depend upon a complex relationship involving catabolite repression, inhibition, and induction.
  • (11) The process of sequence rearrangement appears to be a significant part of the evolution of the genome and may have a much greater effect on the evolution of the phenotype than sequence alteration by base substitution.
  • (12) In Patient 2 they were at first paroxysmal and unformed, with more prolonged metamorphopsia; later there appeared to be palinoptic formed images, possibly postictal in nature.
  • (13) In dogs, cibenzoline given i.v., had no effects on the slow response systems, probably because of sympathetic nervous system intervention since the class 4 effects of cibenzoline appeared after beta-adrenoceptor blockade.
  • (14) The various evocational changes appear to form sets of interconnected systems and this complex network seems to embody some plasticity since it has been possible to suppress experimentally some of the most universal evocational events or alter their temporal order without impairing evocation itself.
  • (15) Experience of pain is modified by intern and extern influences, and it can appear very multiformly in the chronicity.
  • (16) Coronary arteritis has to be considered as a possible etiology of ischemic symptoms also in subjects who appear affected by typical atherosclerotic ischemic heart disease.
  • (17) A total of 13 ascertainments of folate sensitive autosomal fragile sites is observed, of which 10q23 fragility appears to be the most frequent.
  • (18) However, some contactless transactions are processed offline so may not appear on a customer’s account until after the block has been applied.” It says payments that had been made offline on the day of cancellation may be applied to accounts and would be refunded when the customer identified them; payments made on days after the cancellation will not be taken from an account.
  • (19) Sample processing appears effective in avoiding spontaneous oxalogenesis.
  • (20) The epididymis appeared distended but without any visible sperms.

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.