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**Gastrulation of a diploblast:** The formation of germ layers from a (1) blastula to a (2) gastrula. Some of the ectoderm cells (orange) move inward forming the endoderm (red).

Pokémon (ポケモン, Pokemon?, IPA: [ˈpoʊ.keɪ.mɑn], although frequently mispronounced [poʊ.kiˈmæn]), is a multi-billion dollar media franchise[1] controlled by video game giant Nintendo, and created by Satoshi Tajiri at least by 1995 (it celebrated its tenth anniversary on February 27, 2006, although the franchise was copyrighted in the USA as Pokémon by 1995). The original Game Boy video games have since been merchandised into anime, manga, trading cards, toys, books, and other media. The name, Pokémon, is the romanized contraction of the Japanese brand, “Pocket Monsters” (ポケットモンスター, Poketto Monsutā?), as such contractions are very common in Japan. Nintendo originally literally translated Poketto Monsutā – indeed, a "Pocket Monsters" game was created in early 1995. A naming conflict with the Monster In My Pocket toy range caused Nintendo to rebrand the franchise as "Pokémon" in early 1996. The game’s catchphrase, in the Japanese language versions of the franchise is "ポケモンGETだぜ! (Pokémon Getto Daze! - Let's Get Pokémon!)"; in the English language versions of the franchise, it used to be “Gotta catch ’em all!”, although it is now no longer officially used.

The concept of the Pokémon saga stems from the hobby of insect collecting, a popular pastime in which Pokémon's creator Satoshi Tajiri had enjoyed as a child. Tajiri’s formula took off in Japan and was adapted (and translated) in 1998 for the American market, with the release of Pokémon Red and Blue. These games allowed players to catch, collect, and train hundreds of creatures, known as Pokémon; and battle them against each other to build their strength. These Pokémon could then “evolve” into more powerful Pokémon and learn new and stronger techniques. Pokémon never bleed or die in battle, only faint – this was a very touchy subject to Tajiri, as he didn’t want to further fill the gaming world with "pointless violence".[2]

Pokémon is also the collective name for all of the fictional species within the Pokémon universe. To date, the franchise has a grand total of 493 unique species that lie at the heart of the series, a figure which has grown substantially from the 151 species in the original Pokémon Red and Pokémon Green games, in Japan. The word Pokémon remains unchanged whether referring to the singular or plural, as is the case with deer or sheep, and the same applies to each species name.

In December 2005, 4Kids Entertainment, which had managed the non-game related licensing of Pokémon, announced that it has agreed not to renew the Pokémon representation agreement. Pokémon USA Inc., a subsidiary of Japan's Pokémon Co., now oversees all Pokémon licensing outside of Asia.[3]

External Links

Gastrulation Animations

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 [[Image:Gastrulation.png|thumb|300px|'''Gastrulation of a diploblast:''' The formation of germ layers from a (1) blastula to a (2) gastrula. Some of the ectoderm cells (orange) move inward forming the endoderm (red).]]
+Pokémon (ポケモン, Pokemon?, IPA: [ˈpoʊ.keɪ.mɑn], although frequently mispronounced [poʊ.kiˈmæn]), is a multi-billion dollar media franchise[1] controlled by video game giant Nintendo, and created by Satoshi Tajiri at least by 1995 (it celebrated its tenth anniversary on February 27, 2006, although the franchise was copyrighted in the USA as Pokémon by 1995). The original Game Boy video games have since been merchandised into anime, manga, trading cards, toys, books, and other media. The name, Pokémon, is the romanized contraction of the Japanese brand, “Pocket Monsters” (ポケットモンスター, Poketto Monsutā?), as such contractions are very common in Japan. Nintendo originally literally translated Poketto Monsutā – indeed, a "Pocket Monsters" game was created in early 1995. A naming conflict with the Monster In My Pocket toy range caused Nintendo to rebrand the franchise as "Pokémon" in early 1996. The game’s catchphrase, in the Japanese language versions of the franchise is "ポケモンGETだぜ! (Pokémon Getto Daze! - Let's Get Pokémon!)"; in the English language versions of the franchise, it used to be “Gotta catch ’em all!”, although it is now no longer officially used.
-'''Gastrulation''' is a phase early in the development of animal embryos, during which the [[Morphology (biology)|morphology]] of the [[embryo]] is dramatically restructured by [[cell migration]]. Gastrulation varies in different phyla; the following description concerns the gastrulation of the [[echinoderms]], representative of the [[triploblastic|triploblasts]], or animals with three embryonic [[germ layer]]s. The illustration, however, depicts the gastrulation of a [[diploblastic|diploblast]], animals with two germ layers.
+The concept of the Pokémon saga stems from the hobby of insect collecting, a popular pastime in which Pokémon's creator Satoshi Tajiri had enjoyed as a child. Tajiri’s formula took off in Japan and was adapted (and translated) in 1998 for the American market, with the release of Pokémon Red and Blue. These games allowed players to catch, collect, and train hundreds of creatures, known as Pokémon; and battle them against each other to build their strength. These Pokémon could then “evolve” into more powerful Pokémon and learn new and stronger techniques. Pokémon never bleed or die in battle, only faint – this was a very touchy subject to Tajiri, as he didn’t want to further fill the gaming world with "pointless violence".[2]
-At the beginning of [[vertebrate]] gastrulation, the embryo is a hollow ball of cells known as the [[blastula]], with an ''animal pole'' and a ''vegetal pole''.  The vegetal pole begins to flatten and then invaginates into the interior, replacing the blastocoelic cavity and thereby forming a new cavity, the ''archenteron'' (literally: ''primitive gut''), the opening into which is the [[blastopore]]. Some of the cells of the vegetal pole detach and become [[mesenchyme|mesenchyme cell]]s.  The mesenchyme cells divide rapidly, migrate to different parts of the [[blastocoel]], and form ''[[filopodia]]'', strands that help to pull the tip of the archenteron towards the animal pole.  Once the archenteron reaches the animal pole, a perforation forms, and the archenteron becomes a digestive tract passing all the way through the embryo.{{fact}}<!--That's only in Deuterostomes!-->
+Pokémon is also the collective name for all of the fictional species within the Pokémon universe. To date, the franchise has a grand total of 493 unique species that lie at the heart of the series, a figure which has grown substantially from the 151 species in the original Pokémon Red and Pokémon Green games, in Japan. The word Pokémon remains unchanged whether referring to the singular or plural, as is the case with deer or sheep, and the same applies to each species name.
-The three embryonic germ layers have now formed.  The [[endoderm]], consisting of the [[archenteron]], will develop into the [[digestive tract]].  The [[ectoderm]], consisting of the cells on the outside of the [[gastrula]] that played little part in gastrulation, will develop into the [[skin]] and the [[central nervous system]].  The [[mesoderm]], consisting of the [[mesenchyme]] cells that have proliferated in the [[blastocoel]], will become all the other [[internal organ]]s.
+In December 2005, 4Kids Entertainment, which had managed the non-game related licensing of Pokémon, announced that it has agreed not to renew the Pokémon representation agreement. Pokémon USA Inc., a subsidiary of Japan's Pokémon Co., now oversees all Pokémon licensing outside of Asia.[3]
-Gastrulation is followed by the [[organogenesis]], during which the individual organ [[anlage]]n of the embryo are set up within the newly formed germ layers. Part of  organogenesis is the [[neurulation]].
 ==External Links==