Medical Definition of Cis configuration

1. The configuration of an organic molecule containing a double bond between two carbon atoms, where the largest, most complex R groups are on the same side: H H \ / C=C / \ H3C CH3 -OR-The configuration of an organic molecule containing a ring, where the largest, most complex R groups are on the same side: H H | ___ \ / | // \\ [ring viewed edge-on] | \___/ / \ | /---\ H3C CH3 | H3C CH3. A genetics term meaning an event or a gene whose action occurs on the same chromosome. Two mutations in different genes coding for the same phenotype which are on the same chromosome (as opposed to the trans configuration where each homologue has one of the mutations). Compare: trans configuration. (11 Jan 1998)

Lexicographical Neighbors of Cis Configuration

cistron
cistron
cistronic
cistrons
cists
Cistus
cistuses
Cistus albidus
Cistus ladanifer
Cistus ladanum
cistvaen
cistvaens
cisvestism
cis acting
cis activation
cis configuration (current term)
cis dominance
cis trans test
cit
citable
citadel
citadels
cital
citalopram
citals
Citation
citational
citations
citation form
citator

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