What's the difference between certainly and necessarily?

Certainly


Definition:

  • (adv.) Without doubt or question; unquestionably.

Example Sentences:

  • (1) One hour after direct mechanical cardiomassage (DMCM) a moderately pronounced edema of the intercellular spaces in the basal compartment of the seminiferous epithelium, normal content of lactate and succinate dehydrogenases, and a certain decrease in the activity of glucose-6-phosphate dehydrogenases and NAD- and NADP-diaphorases were noted.
  • (2) Work on humoral responses has focused on lysozyme, the hemagglutinins (especially in the oyster), and the clearance of certain antigens.
  • (3) Stress is laid on certain principles of diagnostic research in the event of extra-suprarenal pheochromocytomas.
  • (4) As a group, the three mammalian proteins resemble bovine serum conglutinin and behave as lectins with rather broad sugar specificities directed at certain non-reducing terminal N-acetylglucosamine, mannose, glucose and fucose residues, but with subtle differences in fine specificities.
  • (5) A segment of vas deferens was transplanted to the contralateral deferens with the intention of improving treatment for certain cases of infertility caused by obstruction.
  • (6) hypoglossal nucleus), whereas in other areas the angiotensinogen gene was expressed only in a certain population of glial cells.
  • (7) The following conclusions emerge: (i) when the 3' or the 3' penultimate base of the oligonucleotide mismatched an allele, no amplification product could be detected; (ii) when the mismatches were 3 and 4 bases from the 3' end of the primer, differential amplification was still observed, but only at certain concentrations of magnesium chloride; (iii) the mismatched allele can be detected in the presence of a 40-fold excess of the matched allele; (iv) primers as short as 13 nucleotides were effective; and (v) the specificity of the amplification could be overwhelmed by greatly increasing the concentration of target DNA.
  • (8) Certainly, Saunders did not land a single blow that threatened to stop his opponent, although he took quite a few himself that threatened his titles in the final few rounds.
  • (9) We present a mathematical model that is suitable to reconcile this apparent contradiction in the interpretation of the epidemiological data: the observed parallel time series for the spread of AIDS in groups with different risk of infection can be realized by computer simulation, if one assumes that the outbreak of full-blown AIDS only occurs if HIV and a certain infectious coagent (cofactor) CO are present.
  • (10) HDAra-C in combination with anthracyclines is now considered to be a treatment which may afford some hope of a cure in a certain percentage of cases of adult acute non-lymphocytic leukemia.
  • (11) These results suggest that a certain minimum level of expression of c-myc is required for the maintenance of ras transformation in NIH 3T3 cells.
  • (12) This "paradox of redistribution" was certainly observable in Britain, where Welfare retained its status as one of the 20th century's most exalted creations, even while those claiming benefits were treated with ever greater contempt.
  • (13) In certain cases, the effects of these substances are enhanced, in others, they are inhibited by compounds that were isolated from natural sources or prepared by chemical synthesis.
  • (14) Accumulating evidence indicates that for most tumors, the switch to the angiogenic phenotype depends upon the outcome of a balance between angiogenic stimulators and angiogenic inhibitors, both of which may be produced by tumor cells and perhaps by certain host cells.
  • (15) The findings indicate that these spaces were lined by a lipid monolayer which formed bilayered lamellae under certain conditions.
  • (16) Positive feedback effects on serum gonadotrophins in castrates were observed following injection of certain doses of some steroids.
  • (17) Hence, presence of IgG rheumatoid factor correlated positively with the presence of rheumatoid disease, and evidence was established that certain features of rheumatoid inflammation occur in dental periapical lesions of many patients with rheumatoid disease.
  • (18) The typology developed in two previous surveys of illicit heroin products is applicable to many of the samples studied in this work, although significant changes have occurred in the chemical profile of illicit heroin products from certain geographical regions.
  • (19) The presence of an inverse correlation between certain tryptophan metabolites, shown previously to be bladder carcinogens, and the N-nitrosamine content, especially after loading, was interpreted in view of the possible conversion of some tryptophan metabolites into N-nitrosamines either under endovesical conditions or during the execution of the colorimetric determination of these compounds.
  • (20) An electrogenic sodium-potassium pump appears to contribute materially to the steady-state potential and to certain of the transient potential responses of vascular smooth muscle.

Necessarily


Definition:

  • (adv.) In a necessary manner; by necessity; unavoidably; indispensably.

Example Sentences:

  • (1) That doesn't necessarily mean she'll like what I'm saying."
  • (2) It was concluded that a few days delay between trauma and treatment did not necessarily lead to a delayed healing.
  • (3) "While I wouldn't necessarily concur with all the specific recommendations of the report," Barker said, "there is one clear message that I do agree with: that solar has far more potential than has previously been thought."
  • (4) Oral Guedel airways do not necessarily protect the patient's teeth during inhalation anesthesia.
  • (5) While an abnormal birth may result in minimal brain damage this is not necessarily the significant factor, as a separation of mother and baby in the immediate neonatal period, Which usually follows an abnormal birth, may be of more relevance.
  • (6) Critical information may necessarily have to be sought outside these limits for diagnostic purposes as well as successful treatment of family disease.
  • (7) Large price cuts seem to have taken a toll on retailer profitability, while not necessarily increasing sales substantially,” Barclaycard concluded.
  • (8) James Goodman, chairman of the Wyre Forest GPs' Association, said: "We didn't necessarily fully support the changes at the start of the process.
  • (9) Still, there are some aspects of Palin’s channel to recommend it to the devoted movement conservative that isn’t necessarily already a fan of hers – especially its obviating the need to resort to Palinology.
  • (10) Nurses, police and other public sector workers should not necessarily expect a 1% pay rise, the chief secretary to the Treasury has said.
  • (11) The data suggest that a positive HOP test result is a good indication that fertilisation will occur, although a negative HOP test result does not necessarily mean that fertilisation will not take place.
  • (12) Simple reperfusion of the infarcted myocardium, however, does not necessarily guarantee myocardial salvage, and preliminary studies have been somewhat confusing as to its beneficial effects.
  • (13) Since the olivocochlear neurons are almost certainly cholinergic, retrograde amino acid transport does not necessarily identify the primary neurotransmitter of a neuron.
  • (14) Moreover, the presence of antibody in the serum does not necessarily reflect an existing infection, as antibodies may persist for several months following recovery.
  • (15) The association of working late in pregnancy with higher rates of hospitalization does not mean, necessarily, that working is a cause of hospitalization.
  • (16) However, borrowers looking for new fixed rate deals or homeowners with mortgages linked to money market rates will not necessarily find their mortgage rate decreasing".
  • (17) We conclude that identification of PVT is the key clinical issue and that the QT interval is not necessarily the prime abnormality nor the variable to be considered in predicting success of therapy.
  • (18) Lectins which agglutinated neutrophils, but not necessarily CRBC, such as phytohaemagglutinin (PHA-P), concanavalin A (Con A), soybean agglutinin (SBA), and Ricinus communis agglutinin (RCA), mediated cytotoxicity while lectins which did not cause agglutination, such as pokeweed mitogen (PWM), did not mediate cytotoxicity.
  • (19) Resection surgery for lung cancer remains a necessarily hazardous procedure but is the only treatment that can cure the patient.
  • (20) It is suggested that the results in this and previous studies can be explained on the basis of underlying random mechanisms that act during prolonged periods of physiological stress, and that "directed" mutations are not necessarily the basis of those observations.