(a.) Being away from a place; withdrawn from a place; not present.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.
Lack
Definition:
(n.) Blame; cause of blame; fault; crime; offense.
(n.) Deficiency; want; need; destitution; failure; as, a lack of sufficient food.
(v. t.) To blame; to find fault with.
(v. t.) To be without or destitute of; to want; to need.
(v. i.) To be wanting; often, impersonally, with of, meaning, to be less than, short, not quite, etc.
(v. i.) To be in want.
(interj.) Exclamation of regret or surprise.
Example Sentences:
(1) Here we have asked whether protection from blood-borne antigens afforded by the blood-brain barrier is related to the lack of MHC expression.
(2) tRNA from mutant IB13 lacks 5-methylaminomethyl-2-thio-uridine in vivo due to a permanently nonfunctional methyltransferase.
(3) BL6 mouse melanoma cells lack detectable H-2Kb and had low levels of expression of H-2Db Ag.
(4) Treatment termination due to lack of efficacy or combined insufficient therapeutic response and toxicity proved to be influenced by the initial disease activity and by the rank order of prescription.
(5) In the past, the interpretation of the medical findings was hampered by a lack of knowledge of normal anatomy and genital flora in the nonabused prepubertal child.
(6) A diplomatic source said the killing appeared particularly unusual because of Farooq lack of recent political activity: "He was lying low in the past two years.
(7) The present study examined whether the lack of chronic hemodynamic effects of ANP in control rats was due to changes in vascular reactivity to the peptide.
(8) Since it was established, it has stoked controversy about contemporary art, though in recent years it has been more notable for its lack of sensationalism.
(9) Inadequate treatment, caused by a lack of drugs and poorly trained medical attendants, is also a major problem.
(10) Because of the small number of patients reported in the world literature and lack of controlled studies, the treatment of small cell carcinoma of the larynx remains controversial; this retrospective analysis suggests that combination chemotherapy plus radiation offers the best chance for cure.
(11) I would immediately look askance at anyone who lacks the last and possesses the first.
(12) The detection of these antibodies is difficult owing to the lack of standardization and of specificity of the laboratory tests.
(13) Core enzyme, lacking omega subunit, catalyzed this reaction at a rate less than 1% that of holoenzyme.
(14) But not only did it post a larger loss than expected, Amazon also projected 7% to 18% revenue growth over the busiest shopping period of the year, a far cry from the 20%-plus pace that had convinced investors to overlook its persistent lack of profit in the past.
(15) Urine specimens from patient REE also contained a light chain fragment that lacked the first (amino-terminal) 85 residues of the native light chain but otherwise was identical in sequence to the light chain REE.
(16) Thus the failure to raise anti-Id with internal image characteristics may provide an explanation for the lack of anti-gp120 activity reported in anti-Id antisera raised to multiple anti-CD4 antibodies.
(17) His walkout reportedly meant his fellow foreign affairs select committee members could not vote since they lacked a quorum.
(18) In South Africa, health risks associated with exposure to toxic waste sites need to be viewed in the context of current community health concerns, competing causes of disease and ill-health, and the relative lack of knowledge about environmental contamination and associated health effects.
(19) The functional capacity to present antigens to T cells was lacking in normal resting B cells, but was acquired following LK treatment.
(20) These findings indicate an association between HLA-B7 and ankylosing spondylitis in American blacks and suggest that these patients who lack B27 but possess B7 represent a subgroup of patients with this disease.