What's the difference between junction and union?

Junction


Definition:

  • (n.) The act of joining, or the state of being joined; union; combination; coalition; as, the junction of two armies or detachments; the junction of paths.
  • (n.) The place or point of union, meeting, or junction; specifically, the place where two or more lines of railway meet or cross.

Example Sentences:

  • (1) The findings clearly reveal that only the Sertoli-Sertoli junctional site forms a restrictive barrier.
  • (2) Thus adrenaline, via pre- and post-junctional adrenoceptors, may contribute to enhanced vascular smooth muscle contraction, which most likely is sensitized by the elevated intracellular calcium concentration.
  • (3) Linear and annular gap junctions between neighbouring cells were present, particularly in Group 1.
  • (4) The family comprises at least three variable (V) gene segments, three constant (C) gene segments, and three junction (J) gene segments.
  • (5) Intraepidermal clefting starts at the junction between the basal and epidermal layers, and later involves all of the levels of the stratum spinosum.
  • (6) The actions of the polyvalent cationic dye Ruthenium Red and the enzyme neuraminidase were studied at the frog neuromuscular junction.
  • (7) Circular muscle strips from the opossum esophageal body obtained 3-5 cm above the esophagogastric junction were suspended in organ baths for measurement of isometric tension.
  • (8) There is approximately a 25% decrease in aggregation from regions of the rib distal to the metaphyseal-growth plate junction (69%) to the region proximal to it (50%).
  • (9) Whereas the tight junctions of endoneurial capillaries are known to prevent certain blood-borne substances from entering the endoneurium, it was not clear whether the permeability of the pulpal capillaries, which are distant from the nerve fibres, could affect the nerve fibre environment.
  • (10) In contrast, newly formed secondary myotubes are short cells which insert solely into the primary myotubes by a series of complex interdigitating folds along which adhering junctions occur.
  • (11) The junctional currents were already constant 1 ms after step changes in the junctional voltage; this was three orders of magnitude faster than the other known examples of voltage-controlled gap junctions between embryonic cells.
  • (12) Three cases of simultaneous atrial and a-v junctional tachycardia, related to the administration of digitalis and occurring in a short period of 16 months, are reported.
  • (13) In junctions, 3' PSS termini are preserved by fill-in DNA synthesis, although their 5' recessed ends cannot serve as a primer.
  • (14) It is therefore suggested that salt water adaptation triggers a cellular reorganization of the epithelium in such a way that leaky junctions (a low resistance pathway) appear at the apex of the chloride cells.
  • (15) At the adult neuromuscular junction, acetylcholine (ACh) receptors are highly localized at the subsynaptic membrane, whereas, embryonic myotubes before innervation have receptors distributed over the entire surface.
  • (16) The normal anatomical position of the point of junction of the superficial cerebral veins with the superior sagittal and transverse sinuses of the rat was studied with an analytical mathematical method.
  • (17) Histological examination showed that in many cases these terminal sprouts appeared to reinnervate abandoned junctional sites on adjacent denervated fibers.
  • (18) In vivo, the ability of an AChR clustering stimulus to depress cluster formation elsewhere on the muscle cell may influence both the site at which the neuromuscular junction develops as well as which axons survive during synapse elimination.
  • (19) Immunofluorescence and immunoelectronmicroscopy experiments demonstrated that while tight junctions demarcate PAS-O distribution in confluent cultures, apical polarity could be established at low culture densities when cells could not form tight junctions with neighboring cells.
  • (20) PTH, an inducer of shape change, did not affect the number of gap junctions appreciably.

Union


Definition:

  • (n.) The act of uniting or joining two or more things into one, or the state of being united or joined; junction; coalition; combination.
  • (n.) Agreement and conjunction of mind, spirit, will, affections, or the like; harmony; concord.
  • (n.) That which is united, or made one; something formed by a combination or coalition of parts or members; a confederation; a consolidated body; a league; as, the weavers have formed a union; trades unions have become very numerous; the United States of America are often called the Union.
  • (n.) A textile fabric composed of two or more materials, as cotton, silk, wool, etc., woven together.
  • (n.) A large, fine pearl.
  • (n.) A device emblematic of union, used on a national flag or ensign, sometimes, as in the military standard of Great Britain, covering the whole field; sometimes, as in the flag of the United States, and the English naval and marine flag, occupying the upper inner corner, the rest of the flag being called the fly. Also, a flag having such a device; especially, the flag of Great Britain.
  • (n.) A joint or other connection uniting parts of machinery, or the like, as the elastic pipe of a tender connecting it with the feed pipe of a locomotive engine; especially, a pipe fitting for connecting pipes, or pipes and fittings, in such a way as to facilitate disconnection.
  • (n.) A cask suspended on trunnions, in which fermentation is carried on.

Example Sentences:

  • (1) He voiced support for refugees, trade unions, council housing, peace, international law and human rights.
  • (2) 2.39pm BST The European Union called for a "thorough and immediate" investigation of the alleged chemical attack.
  • (3) The night before, he was addressing the students at the Oxford Union , in the English he learned during four years as a student in America.
  • (4) David Cameron has insisted that membership of the European Union is in Britain's national interest and vital for "millions of jobs and millions of families", as he urged his own backbenchers not to back calls for a referendum on the UK's relationship with Brussels.
  • (5) Also critical to Mr Smith's victory was the decision over lunch of the MSF technical union's delegation to abstain on the rule changes.
  • (6) Unions have complained about the process for Chinese-backed companies to bring overseas workers to Australia for projects worth at least $150m, because the memorandum of understanding says “there will be no requirement for labour market testing” to enter into an investment facilitation arrangements (IFA).
  • (7) But still we have to fight for health benefits, we have to jump through loops … Why doesn’t the NFL offer free healthcare for life, especially for those suffering from brain injury?” The commissioner, however, was quick to remind Davis that benefits are agreed as part of the collective bargaining process held between the league and the players’ union, and said that they had been extended during the most recent round of negotiations.
  • (8) George Osborne said the 146,000 fall in joblessness marked "another step on the road to full employment" but Labour and the Trades Union Congress (TUC) seized on news that earnings were failing to keep pace with prices.
  • (9) Anna Mazzola, a civil liberties lawyer who advises the National Union of Journalists and whom I consulted, told me that in general if police can view anyone's images, they can only do so in "very limited circumstances".
  • (10) Solzhenitsyn was exiled from the Soviet Union in 1974 and returned to Russia 20 years later.
  • (11) For a union that, in less than 25 years, has had to cope with the end of the cold war, the expansion from 12 to 28 members, the struggle to create a single currency and, most recently, the eurozone crisis, such a claim risks accusations of hyperbole.
  • (12) Both face and paw receptive fields are unions of a certain set of skin areas called compartments.
  • (13) If wide notice is taken of a current spat over what we can read about Shakespeare’s sexuality into the sonnets in the correspondence columns of the Times Literary Supplement, Sonnet 20 may be a future favourite at civil unions.
  • (14) As the US and the European Union adopted tougher economic sanctions against Russia over the conflict in eastern Ukraine and downing of Malaysia Airlines flight MH17 , Russian officials struck a defiant note, promising that Russia would localise production and emerge stronger than before.
  • (15) The values of human dignity, freedom, democracy, equality, the rule of law and the respect for human rights are absolutely fundamental to the European Union.
  • (16) • Queen Margaret Union, one of the University of Glasgow's two student unions, says 200 students there are marching on the principal's office at the moment to present an anti-cuts petition.
  • (17) Whatever else Scott is about, Waverley ends with a vision of Britishness and a British union.
  • (18) A teaching union has questioned appointment of a trustee of Britain's largest academy chain group as chairman of the schools regulator Ofsted , in what was a surprise announcement meant to calm some of the internal conflicts within the coalition.
  • (19) Corruption scandals have left few among the Spanish ruling class untainted, engulfing politicians on the left and right of the spectrum, as well as businesses, unions, football clubs and even the king’s sister .
  • (20) Thatcher made changes to the UK's tax system, some changes to welfare, and many to the nature of British jobs, both through privatisation and economic liberalisation – not least in her battle with the unions.