What's the difference between absent and exist?

Absent


Definition:

  • (a.) Being away from a place; withdrawn from a place; not present.
  • (a.) Not existing; lacking; as, the part was rudimental or absent.
  • (a.) Inattentive to what is passing; absent-minded; preoccupied; as, an absent air.
  • (v. t.) To take or withdraw (one's self) to such a distance as to prevent intercourse; -- used with the reflexive pronoun.
  • (v. t.) To withhold from being present.

Example Sentences:

  • (1) This particular variant of rheumatoid arthritis (RA) is characterized by the presence of subcutaneous rheumatoid nodules, scanty or absent systemic manifestations and a clinically benign course.
  • (2) This suggested that the chemical effects produced by shock waves were either absent or attenuated in the cells, or were inherently less toxic than those of ionizing irradiation.
  • (3) Antral G cells increase in states of achlorhydria in man and animals provided atrophic antral gastritis is absent.
  • (4) The Bohr and Root effects are absent, although specific amino acid residues, considered responsible of most of these functions, are conserved in the sequence, thus posing new questions about the molecular basis of these mechanisms.
  • (5) It is widely seen as a counter to China’s economic might in Asia, and the world’s second largest economy is notably absent from the list of signatories.
  • (6) In preparations from older animals this effect was absent or there was a potentiation of the responses.
  • (7) Isoenzyme LDH4 was absent in the human pancreas in all the studied periods of embryonic development.
  • (8) Electron microscopy revealed the presence of a hitherto unreported peculiar "pilovacuolar" inclusion in numerous mitochondria, composed of an electron dense pile or rod within a vacuole, while globular or crystalline inclusions were absent.
  • (9) The region is distinctive in that the sequence is absent from the homologous domain of the erythroid alpha chain and diverges from the normal internal repeat structure observed throughout other spectrins.
  • (10) The pathway of ketogenesis in renal cortex must differ from that of the liver, as beta-hydroxy-beta-methylglutaryl-CoA synthetase is virtually absent from the kidney.
  • (11) This article presents the case of bilateral absent maxillary permanent molars with severe oligodontia and no other abnormalities.
  • (12) On the seventh day, when middle ear effusions were absent, the ciliary activity had recovered to normal.
  • (13) Allelic complementation was not observed, despite testing of a large number of allele pairs, and alleles suppressible by the ochre suppressor SUP11 were absent from a sample of 48 spontaneous mutants and occurred infrequently (7%) among a sample of ultraviolet-induced mutants.
  • (14) This phenomena is strongly marked in spastic and mixed types of drowning and is absent in aspiration and reflex types.
  • (15) For CT scans, these periventricular changes were graded according to their extent as absent, or partly involving the white matter, or extending up to the subcortical region.
  • (16) It is generally agreed upon that ERT is fruitless in the patient with severe head trauma or when vital signs were absent at the scene of the injury.
  • (17) Intact wild-type cells, or those of a mutant in which the core region of the lipopolysaccharide was absent, were equally resistant to pronase treatment.
  • (18) Following the surgery, one patient continued to exhibit PLEDs but clinical seizures were absent PLEDs recurred in the second patient due to inadequate anticonvulsant medication.
  • (19) Moreover, it was more apparent in less differentiated tumors in which the granular pattern was often absent or inconsistent.
  • (20) The characteristic heart rate deceleration shown immediately prior to the aversive stimulus by control subjects was absent in the schizophrenic group.

Exist


Definition:

  • (v. i.) To be as a fact and not as a mode; to have an actual or real being, whether material or spiritual.
  • (v. i.) To be manifest in any manner; to continue to be; as, great evils existed in his reign.
  • (v. i.) To live; to have life or the functions of vitality; as, men can not exist water, nor fishes on land.

Example Sentences:

  • (1) One hundred and twenty-seven states have said with common voice that their security is directly threatened by the 15,000 nuclear weapons that exist in the arsenals of nine countries, and they are demanding that these weapons be prohibited and abolished.
  • (2) The only other evidence of Kopachi's existence is the primary school near the memorial.
  • (3) Subsequently, the study of bundle branch block and A-V block cases revealed that no explicit correlation existed between histopathological changes and functional disturbances nor between disturbances in conduction (i.e.
  • (4) It has recently been suggested that procaine penicillin existed in solution in vitro and in vivo as a "procaine - penicillin" complex rather than as dissociated ions.
  • (5) The data suggest that major differences may exist between ruminants and non-ruminants in the response of liver metabolism both to lactation per se and to the effects of growth hormone and insulin.
  • (6) The obvious need for highly effective contraception in women with existing disorders of glucose metabolism has led to a search for oral contraceptive (OC) regimens for such women that are efficient but without unacceptable metabolic side effects.
  • (7) These results are discussed in relation to the possible existence of enzyme-bound intermediates of nitrogen fixation.
  • (8) Psychiatry unlike philosophy (with its problem of solipsism) recognizes the existence of other minds from the nonverbal communication between doctor and patient.
  • (9) Over the past decade the use of monoclonal antibodies has greatly advanced our knowledge of the biological properties and heterogeneity that exist within human tumours, and in particular in lung cancer.
  • (10) This suggests that a physiological mechanism exists which can increase the barrier pressure to gastrooesophageal reflux during periods of active secretion of the stomach, as occurs in digestion.
  • (11) After four years of existence, many evaluations were able to show the qualities of this system regarding root canal penetration, cleaning and shaping.
  • (12) The authors conclude that H. pylori alone causes little or no effect on an intact gastric mucosa in the rat, that either intact organisms or bacteria-free filtrates cause similar prolongation and delayed healing of pre-existing ulcers with active chronic inflammation, and that the presence of predisposing factors leading to disruption of gastric mucosal integrity may be required for the H. pylori enhancement of inflammation and tissue damage in the stomach.
  • (13) Elongation of existing RNA primers by the human polymerase-primase was semi-processive; following primer binding the DNA polymerase continuously incorporated 20 to 50 nucleotides, then it dissociated from the template DNA.
  • (14) Richard Hill, deputy chief executive at the Homes & Communities Agency , said: "As social businesses, housing associations already have a good record of re-investing their surpluses to build new homes and improve those of their existing tenants.
  • (15) The relative strength of the progressions varies with excitation wavelength and this, together with the absence of a common origin, indicates the existence of two independent emitting states with 0-0' levels separated by either 300 or 1000 cm-1.
  • (16) Participants were selected from existing classes forming a weight training, aerobic exercise and activity control group.
  • (17) Neurotensin (NT) is an endogenous brain tridecapeptide for which high affinity binding sites exist in the central nervous system.
  • (18) These results are interpreted in terms of the accessory binding site theory of Ariëns, and suggest the existence of different accessory binding sites on the Ascaris GABA receptor.
  • (19) Achilles tendon overuse injuries exist as a spectrum of diseases ranging from inflammation of the paratendinous tissue (paratenonitis), to structural degeneration of the tendon (tendinosis), and finally tendon rupture.
  • (20) Little difference exists between the proportion of programs that offer training in first-trimester techniques and the proportion that train in second-trimester techniques.