What's the difference between hence and whence?

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.

Whence


Definition:

  • (adv.) From what place; hence, from what or which source, origin, antecedent, premise, or the like; how; -- used interrogatively.
  • (adv.) From what or which place, source, material, cause, etc.; the place, source, etc., from which; -- used relatively.

Example Sentences:

  • (1) During the rest of life the destructive process predominates, whence a physiological osteopenia, which affects man as well as woman, but which accelerates in the latter during the postmenopausal years.
  • (2) Physiologic therapy demands the return of this fluid to the plasma volume from whence it arose.
  • (3) These results suggest that MCMV does not infect early embryos and that infection first occurs in the placenta of postimplantation embryos, whence it extends through the blood cells to the endothelial and mesodermal cells of different embryonic regions, eventually extending to the neuroectoderm.
  • (4) The earliest atoxyl induced changes in the cochlea appeared in the upper and medial parts of the 4th coil, whence the changes spread progressively downwards towards the round window, the extent of the changes depending on the amount of atoxyl administered and the duration of the treatment.
  • (5) Just as both teams looked content with a point, Dean Moxey sent Gayle down the inside-left channel from whence he cut inside Fabien Delph and curled his right-footed shot into the far top corner.
  • (6) These loud orthographic markers, in turn, echo the profound divide that separates the Afghans' traditional society from the liberal markets from whence secondhand cars make their journey across continents, sometimes complete with dangerously loaded but misunderstood ornamental accessories.
  • (7) Leaving aside the question of from whence these so-called "good citizens" will be sourced, how they will be trained to deal with complex child-neglect cases, and what they would be paid (workfare, jobcentre, sod all, probs), I confess that the idea of Ofsted having its own secret breakfast police in the form of a milk-monitoring Stasi snooper squad does not fill me with reassurance.
  • (8) Villa continued to compete with spirit and no little skill, playing with good width, and the game was in the balance until the 73rd minute, when Shelvey's cross from the right enabled Pablo Hernández to step inside two would-be tacklers before rifling a shot back whence it came, into Guzan's left-hand corner.
  • (9) Whence, the sequence of permeabilities for the two types of potassium channels is: PK greater than PRb greater than PNH4 greater than PNa = PCS.
  • (10) Money was the key instrument, with the leaders pledging millions for the transit countries, the international aid agencies, and up to €1bn (£730m) for Turkey, home to up to 2 million Syrian refugees and whence, via Greece, most people are moving to the EU.
  • (11) The findings suggest that the abnormal material arises in the pericorneal conjunctival connective tissue from whence it diffuses into, and deposits in, the superficial corneal stroma.
  • (12) This was Arabicized, by pre-Islamic Arabs trading in silk with China, as Kimiya, whence arose Al-Kimiya and finally Al-chemy.
  • (13) This transplant is constructed and modeled in accordance with its intended use, around the preselected vascular pedicle, whence the term prefabricated.
  • (14) Our results are not conclusive, but do suggest that kallikrein is located in these granules whence it is secreted into the lumen of the duct.2.
  • (15) REMOVING ONE OF THE KNIVES IN HIS BACK AND RETURNING IT FROM WHENCE IT CAME It's been a whole day since Manchester United became the first professional football club in All History to sack its manager.
  • (16) caused either by rupture of myofibres, whence the abjunctional stump lost its contact with the neuromuscular junction on the adjunctional stump, or by necrosis of the segment of the ruptured myofibre lying underneath the neuromuscular junction.
  • (17) Under the Norwegian novice, Cardiff have taken only eight points from his first 13 matches and – six points adrift of a safe position with five games left – they are set for an early return whence they came, after their promotion as champions last season.
  • (18) It’s taken by Beardsley and half-cleared to the edge of the box, where Gascoigne hooks the bouncing ball back whence it came with his left foot.
  • (19) Most of the blood products transfused into these hemophiliacs were imported from abroad, whence the source of HTLV-III infection presumably originated.
  • (20) Best biographies of 2012 Read more She was born in 1930 in Tuamgraney, County Clare, to parents from backgrounds so different that she wrote: “I sometimes attribute my two conflicting selves to my contrasting grandparents, the one a lady, the other a peasant.” Her mother – from a poor family that had crossed from the west of Ireland – had worked in America, whence gifts and visitors would occasionally arrive.