What's the difference between hence and therefore?

Hence


Definition:

  • (adv.) From this place; away.
  • (adv.) From this time; in the future; as, a week hence.
  • (adv.) From this reason; as an inference or deduction.
  • (adv.) From this source or origin.
  • (v. t.) To send away.

Example Sentences:

  • (1) The epidemiology of HIV infection among women and hence among children has progressively changed since the onset of the epidemic in Western countries.
  • (2) Hence the major role of the 14-A arm of carboxybiotin is not to permit a large carboxyl migration but, rather to permit carboxybiotin to traverse the gap which occurs at the interface of three subunits and to insinuate itself between the CoA and keto acid sites.
  • (3) 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.
  • (4) Hence, the absence of NGF receptors on premigratory neural crest and early migratory neural crest cultures was not due to enzymatic alterations of the receptor.
  • (5) Subsequent radiological follow-up demonstrated the rapid growth of the tumor hence exhibiting a very invasive form.
  • (6) Using the asynchronously replicating (hence genetically inactive) X chromosome as a marker, we obtained evidence showing that most or all of these tumors were monoclonal in origin.
  • (7) Hence, in the intact caudate-putamen dopamine appears to suppress expression of these two neuropeptide genes leading to an activation of both NPY and SOM mRNA expression in many non- or low-expressing neurons when the level of dopamine is decreased.
  • (8) Monoclonal antibody G9 reacted with surface antigens and, hence, participated in agglutination of M gallisepticum.
  • (9) The solution of these differential equations gives the velocity of the basilar membrane and hence other related quantities, e.g., displacement, pressure, driving-point impedance at the stapes.
  • (10) Hence, a priori haplotyping cannot exclude a particular CF mutation, but in combination with population genetic data, enables mutations to be ranked by decreasing probability.
  • (11) Hence, it is possible that the delayed modulation on laminin was due to production of fibronectin by the cells themselves.
  • (12) Hence the state of light-adaptation has to be taken into account when comparing different experiments.
  • (13) Hence, they self-administer opioids for pain relief with PCA according to their expectations.
  • (14) Hence, the 2-NOF:N-acetoxy-N-2-fluorenylacetamide ratios reflect the relative contributions of the two peroxidative pathways to the metabolism of N-OH-2-FAA.
  • (15) Bristol 2015 has three core objectives, she explains, one of which is putting Bristol on the map internationally; hence the media spectacle.
  • (16) Hence, immune system modulators may be employed to control their response.
  • (17) Hence the aggregation inhibition produced by amphiphilic phenylalkylamines and phenylalkanoles is not due to a uniform metabolic effect of both classes of derivatives.
  • (18) Hence, the incidence of vascular smooth muscle cell polyploidy is not simply a result of growth of the vessel with increasing age of the SHR, but parallels inhibition, reversal, and redevelopment of hypertension.
  • (19) Hence the endotoxin-generated factors had been eliminated in 2 days.
  • (20) ScalesOfJustice 18 September 2013 12:47pm If we go back to 1998, it appears as though global temperatures have stopped increasing, however Arctic temperatures have increased quite strongly - hence the strong decline in sea-ice since 1998.

Therefore


Definition:

  • (adv.) For that or this reason, referring to something previously stated; for that.
  • (adv.) Consequently; by consequence.

Example Sentences:

  • (1) Therefore, these findings may extend the use of platelets as neuronal models.
  • (2) Therefore, it is suggested that PE patients without endogenous erythroid colonies may follow almost the same clinical course as SP patients.
  • (3) Herpesviruses such as EBV, HSV, and human herpes virus-6 (HHV-6) have a marked tropism for cells of the immune system and therefore infection by these viruses may result in alterations of immune functions, leading at times to a state of immunosuppression.
  • (4) Elements in the skin therefore seemed to enhance nerve regeneration and function.
  • (5) IT can, therefore, be excluded almost with certainty that the meat would contain such large amounts of hormone residues.
  • (6) The present study was therefore carried out to specify further which type of adrenoceptor is involved in lithium-induced hyperglycaemia and inhibition of insulin secretion.
  • (7) These authors, therefore, conclude that this modified surgical approach is a viable alternative to the previously described procedures for resistant metatarsus adductus.
  • (8) Therefore, we have developed a powerful new microcomputer-based system which permits detailed investigations and evaluation of 3-D and 4-D (dynamic 3-D) biomedical images.
  • (9) Enhanced sensitivity to ITDs should translate to better-defined azimuthal receptive fields, and therefore may be a step toward achieving an optimal representation of azimuth within the auditory pathway.
  • (10) Therefore, neither of these two regions of the Tat protein appear to be discrete activation domains.
  • (11) We therefore enumerated the percentage of Leu2a+ cells as well as the occurrence of HLA-DR activation markers within this population.
  • (12) Alleles in this region can be exchanged between X and Y chromosomes and are therefore inherited as if autosomal.
  • (13) Therefore, we undertook a follow-up study on the survivors of 57 infants who received IUT's between 1966 and 1975.
  • (14) The blastocyst antiluteolytic protein therefore closely resembles the interferon-alpha family of antiviral proteins.
  • (15) Therefore, the measurement of the alpha-antitrypsin content plays the crucial part in differential diagnosis of primary (hereditary determined) and secondary (obstructive) emphysema.
  • (16) Measuring this value therefore is a very promising procedure.
  • (17) Current recommendations regarding contraception in patients with diabetes are not appropriate for the adolescent population and therefore tend to support this phenomenon rather than relieve it.
  • (18) It is therefore necessary, to look at typical clinical manifestations, i.e.
  • (19) The electrical stimulation of the tail associated to a restraint condition of the rat produces a significant increase of immunoreactive DYN in cervical, thoracic and lumbar segments of spinal cord, therefore indicating a correlative, if not causal, relationship between the spinal dynorphinergic system and aversive stimuli.
  • (20) In this way they offer the doctor the chance of preventing genetic handicaps that cannot be obtained by natural reproduction, and that therefore should be used.