(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.
Without
Definition:
(prep.) On or at the outside of; out of; not within; as, without doors.
(prep.) Out of the limits of; out of reach of; beyond.
(prep.) Not with; otherwise than with; in absence of, separation from, or destitution of; not with use or employment of; independently of; exclusively of; with omission; as, without labor; without damage.
(conj.) Unless; except; -- introducing a clause.
(adv.) On or art the outside; not on the inside; not within; outwardly; externally.
(adv.) Outside of the house; out of doors.
Example Sentences:
(1) Without medication atypical ventricular tachycardia develops, in the author's opinion, most probably when bradycardia has persisted for a prolonged period.
(2) Therefore, it is suggested that PE patients without endogenous erythroid colonies may follow almost the same clinical course as SP patients.
(3) Arachidic acid was without effect, while linoleic acid and linolenic acid were (on a concentration basis) at least 5-times less active than arachidonic acid.
(4) Clinical and roentgenographic criteria could not discriminate between patients with and without pneumonia, confirming the findings of previous investigations.
(5) 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.
(6) Ethanol and L-ethionine induce acute steatosis without necrosis, whereas azaserine, carbon tetrachloride, and D-galactosamine are known to produce steatosis with varying degrees of hepatic necrosis.
(7) The promoters of the adenovirus 2 major late gene, the mouse beta-globin gene, the mouse immunoglobulin VH gene and the LTR of the human T-lymphotropic retrovirus type I were tested for their transcription activities in cell-free extracts of four cell lines; HeLa, CESS (Epstein-Barr virus-transformed human B cell line), MT-1 (HTLV-I-infected human T cell line without viral protein synthesis), and MT-2 (HTLV-I-infected human T cell line producing viral proteins).
(8) Both apertures were repaired with great caution using individual sutures without resection of the hernial sac.
(9) Comparison with 194 age and sex matched subjects, without STD, were chosen as controls.
(10) The 14C-aminopyrine breath test was used to measure liver function in 14 normal subjects, 16 patients with alcoholic cirrhosis, 14 alcoholics without cirrhosis, and 29 patients taking a variety of drugs.
(11) In contrast to L2 and L3 in L1 the mid gut runs down in a straight line without any looping.
(12) Both condemn the treatment of Ibrahim, whose supposed offence appears to have shifted over time, from fabricating a defamatory story to entering a home without permission to misleading an interviewee for an article that was never published.
(13) 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.
(14) Significant increases in acid secretion were observed without changes in cyclic nucleotides.
(15) In addition, the fact that microheterogeneity may occur without limit in the mannans of the strains suggests that antibodies with unlimited diverse specificities are produced directed against these antigenic varieties as well.
(16) All of the nude mice developed paraplegia with or without incontinence at 2 weeks and routinely died of inanition 3 weeks postimplantation.
(17) The inhibition was not seen in longitudinal muscle without myenteric plexus.
(18) Change of steps in achieved just by varying the reaction conditions without any product purification.
(19) Madrid now hopes that a growing clamour for future rescues of Europe's banks to be done directly, without money going via governments, may still allow it to avoid accepting loans that would add to an already fast-growing national debt.
(20) The epididymis appeared distended but without any visible sperms.