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・ 5-aminovalerate transaminase
・ 5-Androstenediol
・ 5-Androstenedione
・ 5-APB
・ 5-APDB
・ 5-APDI
・ 5-Benzyloxytryptamine
・ 5-beta-reductase
・ 5-Bromo-4-chloro-3-indolyl phosphate
・ 5-Bromo-DMT
・ 5-Bromouracil
・ 5-Bromouridine
・ 5-Carboxamidotryptamine
・ 5-carboxymethyl-2-hydroxymuconate Delta-isomerase
・ 5-carboxymethyl-2-hydroxymuconic-semialdehyde dehydrogenase
5-cell
・ 5-cell honeycomb
・ 5-centimeter band
・ 5-Chloro-αMT
・ 5-Chloromethylfurfural
・ 5-cube
・ 5-cubic honeycomb
・ 5-DBFPV
・ 5-dehydro-2-deoxygluconokinase
・ 5-dehydro-2-deoxyphosphogluconate aldolase
・ 5-dehydro-4-deoxyglucarate dehydratase
・ 5-Dehydro-m-xylylene
・ 5-Dehydroepisterol
・ 5-demicube
・ 5-demicubic honeycomb


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5-cell : ウィキペディア英語版
5-cell

In geometry, the 5-cell is a four-dimensional object bounded by 5 tetrahedral cells. It is also known as a C5, pentachoron, pentatope, pentahedroid,〔Matila Ghyka, ''The geometry of Art and Life'' (1977), p.68〕 or tetrahedral pyramid. It is a 4-simplex, the simplest possible convex regular 4-polytope (four-dimensional analogue of a Platonic solid), and is analogous to the tetrahedron in three dimensions and the triangle in two dimensions. The pentachoron is a four dimensional pyramid with a tetrahedral base.
The regular 5-cell is bounded by regular tetrahedra, and is one of the six regular convex 4-polytope, represented by Schläfli symbol .
== Alternative names ==

* Pentachoron
* 4-simplex
* Pentatope
* Pentahedroid (Henry Parker Manning)
* Pen (Jonathan Bowers: for pentachoron)〔(Category 1: Regular Polychora )〕
* Hyperpyramid, tetrahedral pyramid

抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)
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