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multivalent
(redirected from Multivalents)

    Also found in: Dictionary/thesaurus, Encyclopedia, Wikipedia 0.01 sec.
multivalent /mul·ti·va·lent/ (-vāl´ent)
1. having the power of combining with three or more univalent atoms.
2. active against several strains of an organism.
mul·ti·va·lent (mlt-vlnt)
adj.
1. Polyvalent.
2. Of or relating to the association of three or more homologous chromosomes during the first division of meiosis.
3. Having several sites of attachment for an antibody or antigen.
4. Having various meanings or values.
multi·valence n.
multivalent
[mul′tivā′lənt]
Etymology: L, multus + valere, to be strong
1 See polyvalent.
2 (in immunology) able to act against more than one strain of organism. Compare valence.
multivalent [mul″ti-va´lent]
1. having a valence of two or more.
2. denoting an antiserum, vaccine, or antitoxin specific for more than one antigen or organism; called also polyvalent.
multivalent
1. combining with several univalent atoms.
2. a vaccine that is active against several strains of an organism.
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1994; Hoshino & Okamura, 1994; Hoshino & Onimatsu, 1994; Hoshino & Waterway, 1994; for interpretations of homologies in multivalents of different types, see Faulkner, 1972).
The evolution of chromosome arrangements in Carex (Cyperaceae) by Hipp, Andrew L.; Rothrock, Paul E.; Roalson, Eric H. / The Botanical Review
Although multivalent formation is common among seed plants, in ferns multivalents that may start to form early in meiosis rarely survive to the late prophase stage.
Fern Genome Structure and Evolution by Nakazato, Takuya / American Fern Journal
In autopolyploids, although the diversity of genetic potential increases by the development of new alleles, as has been shown in Tolmiea menziesii (Soltis & Rieseberg, 1986) and in Dactylis glomerata (Lum aret & Barrientos, 1990), an autopolyploid has very little chance of becoming established because multivalents form during meiosis, causing partial sterility.
Geographical variation and successive adaptive radiations of ... by Oualidi, Jalal El; Puech, Suzette; Navarro, Teresa / The Botanical Review
 
 
 
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