zygotene


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Related to zygotene: diplotene, meiosis, synaptonemal complex

zygotene

 [zi´go-tēn]
the synaptic stage of the first meiotic prophase in which the two leptotene chromosomes undergo pairing by the formation of synaptonemal complexes to form a bivalent.

zy·go·tene

(zī'gō-tēn),
The stage of prophase in meiosis in which precise point for point pairing of homologous chromosomes begins.
Synonym(s): zygonema
[zygo- + G. tainia (L. taenia), band]

zygotene

/zy·go·tene/ (zi´go-tēn) the synaptic stage of the first meiotic prophase in which the two leptotene chromosomes undergo pairing by the formation of synaptonemal complexes to form a bivalent structure.

zygotene

(zī′gə-tēn′)
n.
The stage in prophase of meiosis during which homologous chromosomes become paired.

zygotene

[zī′gətēn]
Etymology: Gk, zygon + tainia, band
the second stage in the first meiotic prophase of gametogenesis, in which synapsis of homologous chromosomes occurs. See also diakinesis, diplotene, leptotene, pachytene.

zy·go·tene

(zī'gō-tēn)
The stage of prophase in meiosis in which precise point-for-point pairing of homologous chromosomes begins.
Synonym(s): zygonema.
[zygo- + G. tainia (L. taenia), band]

zygotene

a stage ofMEIOSIS near the beginning of Prophase 1, when the homologous chromosomes undergo SYNAPSIS so that identical genetical segments lie opposite to each other ready for CROSSING OVER. Although each chromosome is split into two CHROMATIDS, these are not usually visible.

zygotene

the synaptic stage of the first meiotic prophase in which the two leptotene chromosomes undergo pairing by the formation of synaptonemal complexes to form a bivalent.
References in periodicals archive ?
CBZ, IPR and CCK modified the percentages of nuclei at the zygotene (A) and diplotene (B) stages.
Statistical analysis: Mann-Withney test was used in order to evaluate the frequencies of leptotene, zygotene, and pachytene stages, and the staging of pachytene cells in controls and patients.
Respective frequencies of leptotene, zygotene and pachytene stages: In the controls, the frequency of leptotene stage (Fig.
95 per cent, the frequency of zygotene stages varied from 3.
Zygotene The stage of meiotic prophase during which the pairing of homologous chromosomes begins.
The zygotene spermatocyte is characterized by the presence of a synaptonemal complex in P.