Action potentials occur in several types of animal cells, called excitable cells, which include neurons, muscle cells, and endocrine cells, as well as in some plant cells.

Action potentials in neurons are also known as " nerve impulses " or " spikes ", and the temporal sequence of action potentials generated by a neuron is called its " spike train ".

Action potentials are generated by special types of voltage-gated ion channels embedded in a cell's plasma membrane.

Action potentials are triggered when enough depolarization accumulates to bring the membrane potential up to threshold.

Action potentials result from the presence in a cell's membrane of special types of voltage-gated ion channels.

Action potentials are most commonly initiated by excitatory postsynaptic potentials from a presynaptic neuron.

Action potentials are generated by the activation of certain voltage-gated ion channels.

Action potentials can also involve calcium ( Ca < sup > 2 +</ sup >), which is a divalent cation that carries a double positive charge.

Action potentials propagate along the surface of the muscle fiber from the point of synaptic contact.

Action potentials arising in the SA node ( and propagating to the left atrium via Bachmann's bundle ) cause the atria to contract.

Action potentials are generated by the movement of ions through the transmembrane ion channels in the cardiac cells.

Action potentials represent rapid reversals in voltage across the plasma membrane of axons.

Action potentials from the central nervous system cause end-plate potentials at the NMJ which causes sodium ions to enter via Na < sub > v </ sub > 1. 4 and depolarise the muscle cells.

Action potentials do not arrive at muscles synchronously, and, during a contraction, some fraction of the fibers in the muscle will be firing at any given time.

Action potentials are formed when the skin is rapidly distorted but not when pressure is continuous.

Action potentials transmitted in the vagus nerve activate the efferent arm of the Inflammatory Reflex, the neural circuit that converges on the spleen to inhibit the production of TNF and other cytokines by macrophages there.

Action potentials are not graded ; they are all-or-none responses.

* Action myoclonus is characterized by muscular jerking triggered or intensified by voluntary movement or even the intention to move.

Some Actions are logically unenforceable, such as " thinking about coconuts " or " thinking about mushroom soup "; Especially in the latter seasons, a successful Action has mostly been a foregone conclusion – the variables have only been when it will be triggered, and by whom ( not necessarily a panelist ).

When the Secret Slime Action is triggered, all play stops ( including the clock ) while the panelist is slimed and the Action revealed, after which gameplay resumes.

According to an article in the Washington Post, the convictions triggered a review by Virginia Tech Athletic Director Jim Weaver under the school's Comprehensive Action Plan, which was put in place in 1997 after 22 arrests involving 19 football players during a 15-month period.

** Vicente Fox is elected President of Mexico, as candidate of the rightist PAN ( National Action Party ), ending 71 years of PRI ( Institutional Revolutionary Party ) rule.

As World War II was ending, the Christian Democrats started organizing post-Fascist Italy in coalition with all the other mainstream parties, including the Italian Communist Party ( PCI ), the Italian Socialist Party ( PSI ), the Italian Liberal Party ( PLI ), the Italian Republican Party ( PRI ), the Action Party ( Pd ' A ) and the Labour Democratic Party ( PDL ).

President Reagan's Covert Action program has been given credit for assisting in ending the Soviet occupation of Afghanistan.

The character continues to appear in Looney Tunes marketing and other projects, such as cameo appearances in the crowd shots of the 1996 film Space Jam, and in the ending scene of Looney Tunes Back in Action.

The JBS was a co-sponsor of the 2010 Conservative Political Action Conference, ending its decades-long exile from the mainstream conservative movement.

* 2 ) MS. Cotton Appendix XLVI Part II ( available online at: ) is the diary for 15 August 1584 – 23 May 1587 ( and 20 March – 7 September 1607 ) inclusive: The Book of Praha, The Royal Stephanic Mysteries, The Puccian Action, The Book of Resurrection, The Third Action of Trebon and the remaining Spirit Actions at Mortlake in 1607, ending where A True and Faithful Relation ends.

The series features the first semi-regular seventh hero ( Deka Master ) and three additional heroines who appear once each throughout the series: Deka Swan ( episode 36 ), Deka Bright ( episode 40 ), and Deka Gold ( Tokusou Sentai Dekaranger The Movie: Full Blast Action ), this series started the tradition of a " passing the torch " segment after the ending credits of the series finale: the red warrior of the series that has just ended interacts with the red warrior of the upcoming series.

The ROH Pure Championship was created after Styles was forced to vacate the Pure Wrestling Title in the wake of the Rob Feinstein controversy that resulted in Total Nonstop Action Wrestling abruptly ending its talent-sharing agreement with ROH ( pulling all of its contracted performers, including Styles, from all ROH shows ).

In December 2006, Cormega, Foxy Brown and Nas reunited to perform " Affirmative Action " live on-stage, ending the beef between Cormega and Nas.

It is followed by Kennedy's ' suicidal ' October 1963 decision ( National Security Action Memorandum # 263, Oct. 11 ) to withdraw all US advisors from Vietnam by the end of 1965, effectively ending America's direct involvement in the Vietnam War.

* Action Comics Number 579, published by DC Comics in 1986, written by Lofficier and Illustrated by Keith Giffen, featured an homage to Asterix where Superman and Jimmy Olsen are drawn back in time to a small village of indomitable Gauls.

" National Biodiversity Strategies and Action Plans ( NBSAPs ) are the principal instruments for implementing the Convention at the national level ( Article 6 ).

Sudanese surgeon Nahid Toubia — president of RAINBO ( Research, Action and Information Network for the Bodily Integrity of Women ) — told the BBC in 2002 that campaigning against FGM involved trying to change women's consciousness: " By allowing your genitals to be removed is perceived that you are heightened to another level of pure motherhood — a motherhood not tainted by sexuality and that is why the woman gives it away to become the matron, respected by everyone.

189 countries which are signatory to the Convention on Biological Diversity ( Rio Accord ) have committed to preparing a Biodiversity Action Plan, a first step at identifying specific endangered species and habitats, country by country.

The three most competitive opposition parties are the People's Justice Party ( Parti Keadilan Rakyat in Malay, shortened to PKR ), the Pan-Malaysian Islamic Party ( Parti Islam se-Malaysia, or PAS ), and the Democratic Action Party ( DAP ).

The politics of Mexico are dominated by three political parties: National Action Party ( PAN ), the Party of the Democratic Revolution ( PRD ) and Institutional Revolutionary Party ( PRI ).

* 1941 – The Holocaust: In the Kaunas Ghetto over 10, 000 Jews are shot by German occupiers at the Ninth Fort, a massacre known as the " Great Action ".

There are still about 100 American servicemen listed as Missing In Action in Palau.

The first four games are hybrid Adventure / Role playing video games, while the fifth game switched to the genre of Action / RPG.

Many of his works are central to modern rhetorical theory: A Rhetoric of Motives ( 1950 ), A Grammar of Motives ( 1945 ), Language as Symbolic Action ( 1966 ), and Counterstatement ( 1931 ).

The Colt Paterson Revolver, the Walker Colt, the Colt's Dragoon and the Colt Single Action Army pistol of the American Frontier era are all good examples of this system.

British examples are At Risk ( 2004 ), Secret Asset ( 2006 ), Illegal Action ( 2007 ), and Dead Line ( 2008 ), by Dame Stella Rimington ( formerly the Director General of MI5 from 1992 to 1996 ) and The Code Snatch ( 2001 ) by Alan Stripp, formerly a cryptographer at Bletchley Park.

The new designs incorporate a new accent color, " Wolf Grey ", and the main colors are " College Navy " and " Action Green ".

National Action Programmes ( NAP ) are one of the key instruments in the implementation of the Convention.

They are strengthened by Action Programmes on Sub-regional ( SRAP ) and Regional ( RAP ) level.

National Action Programmes are developed in the framework of a participative approach involving the local communities and they spell out the practical steps and measures to be taken to combat desertification in specific ecosystems.

The Ugandan groups are also participants in the Northern Uganda Social Action Fund supported by the World Bank.

The political parties with representation in the city are the Institutional Revolutionary Party or PRI, the National Action Party or PAN, the Party of the Democratic Revolution or PRD, the Labor Party or PT, the Green Party, Convergence, Socialdemocratic Party and Nueva Alianza.

In response, Palin stated the reason these wolves are killed is to protect the caribou population in Alaska, and she called the Defenders of Wildlife Action Fund an " extreme fringe group ".

Also, Michael Bond wrote " Most large NGOs, such as Oxfam, the Red Cross, Cafod and Action Aid, are striving to make their aid provision more sustainable.

Urdu Action and Haq-o-Insaf are also published.

Among other important works are Anthony Downs's An Economic Theory of Democracy ( 1957 ) and Mancur Olson's The Logic of Collective Action ( 1965 ).

The quarter-sawn maple action parts are mounted on a Steinway Metallic Action Frame, which consists of seamless brass tubes with rosette-shaped contours, force-fitted with maple dowels and brass hangers to ensure the stability of the regulation.

Action abilities consume magic points ( MP ) and include magic spells and special moves that are used in battle.

Permissive Action Links are powered by low-maintenance radioisotope generators.