bivalent


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bi·va·lent

 (bī-vā′lənt)
adj.
1. Genetics Relating to or being a pair of homologous, side-by-side chromosomes, especially during meiosis; double.
2. Chemistry & Immunology Divalent.

bi·va′lence, bi·va′len·cy n.

bivalent

(baɪˈveɪlənt; ˈbɪvə-)
adj
1. (Chemistry) chem another word for divalent
2. (Genetics) (of homologous chromosomes) associated together in pairs
n
(Genetics) a structure formed during meiosis consisting of two homologous chromosomes associated together
biˈvalency n

bi•va•lent

(baɪˈveɪ lənt, ˈbɪv ə-)

adj.
1.
a. having a valence of two.
b. having two valences.
2. pertaining to associations of two homologous chromosomes.
n.
[1865–70]
bi•va′lence, bi•va′len•cy, n.

bi·va·lent

(bī-vā′lənt)
Chemistry
Having a valence of 2.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Adj.1.bivalent - having a valence of two or having two valences
chemical science, chemistry - the science of matter; the branch of the natural sciences dealing with the composition of substances and their properties and reactions
2.bivalent - used of homologous chromosomes associated in pairs in synapsisbivalent - used of homologous chromosomes associated in pairs in synapsis
genetic science, genetics - the branch of biology that studies heredity and variation in organisms
multivalent - used of the association of three or more homologous chromosomes during the first division of meiosis
univalent - used of a chromosome that is not paired or united with its homologous chromosome during synapsis; "a univalent chromosome"
Translations

bivalent

[ˈbaɪˈveɪlənt] ADJbivalente

bivalent

References in periodicals archive ?
decision made by the previous government in 2008 to cover the cost only of the bivalent vaccine.
Bivalents are usually monochiasmatic, although two chiasmata were occasionally observed in the M9 bivalent (Fig.
The bivalent vaccine will be used in the pulse polio vaccination in Bihar first and will then be introduced in Uttar Pradesh.
To determine whether a bivalent vaccine could effectively protect children
ACIP recommended the recently approved bivalent human papillomavirus (HPV) vaccine as an alternative to the quadrivalent vaccine for the prevention of cervical cancer and related precancerous conditions in women and girls aged 9-26 years.
A bivalent vaccine targeting HPV types 16 and 18 evaluated in a clinical trial involving 18,700 women aged 15-25 yr was found to have similar efficacy (17).
The relative length of each bivalent was calculated as a percentage of total haploid complement length (TCL).
True bugs, the Heteroptera, have many cytogenetic characteristics that make them unique among most insect groups: the possession of chromosomes without a primary constriction, the centromere, namely holokinetic chromosomes; a pair of <<m chromosomes>> in 16 families, belonging to four infraorders; a different meiotic behaviour for autosomes and sex chromosomes; and a mean chiasma frequency of only one chiasma per bivalent (Ueshima, 1979; Nokkala, 1986; Papeschi & Bressa, 2006).
Large phase 2 and 3 clinical trials with a quadrivalent preventive HPV vaccine (HPV 6/11/16/18) and phase 2 trials with a bivalent preventive HPV vaccine (HPV 16/18) have demonstrated that both products are highly efficacious in preventing type-specific HPV infections and HPV-related disease and are well tolerated.
According to Orfaly, the vaccines used in the campaign are bivalent oral polio vaccine for all children under five years and the poliovirus vaccine for children between the age of 3 months and 2 years.
Kuwait, in particular, according to WHO's recommendations, has switched from the use of oral vaccine triphosphate to oral vaccine bivalent, Dr.