zygotene

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zygotene
zygotene Cytology. (ˈzaɪgəʊtiːn) [a. F. zygotène (V. Grégoire 1907, in La Cellule XXIV. 371): see zygo- and -tene.] The second stage of the prophase of meiosis, following leptotene, during which homologous chromosomes begin to pair.1911 Jrnl. Morphol. XXII. 752 This view..goes on to show that after ... Oxford English Dictionary
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Synaptonemal complex
Previous to the pachytene stage, during leptonema, the lateral elements begin to form and they initiate and complete their pairing during the zygotene It is formed during zygotene. wikipedia.org
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zygo-
zygo- (zaɪgəʊ, zɪgəʊ) before a vowel properly zyg-, repr. Gr. ζυγο-, combining form of ζυγόν yoke; occurring in various scientific terms, of which the more important will be found in their alphabetical places. (In terms of Biology the prefix often refers to conjugation or zygosis as a method of repr... Oxford English Dictionary
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Chiasma (genetics)
Irradiation during the leptotene-zygotene stages of meiosis, that is, prior to the pachytene period in which crossover recombination occurs, was found Similarly, in the grasshopper Chorthippus brunneus, exposure to X-irradiation during the zygotene-early pachytene stages caused a significant increase wikipedia.org
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pachytene
pachytene Cytology. (ˈpækɪtiːn) [ad. F. pachytène (H. von Winiwarter 1900, in Arch. de Biol. XVII. i. 63): see pachy- and -tene.] The third stage of the first meiotic prophase, following zygotene, during which the paired chromosomes shorten and thicken, the two chromatids of each separate, and excha... Oxford English Dictionary
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Eyprepocnemis plorans
The autosomal chromosomes are transcriptionally active during the leptotene to zygotene stages of meiosis, whereas the X chromosome is inactive throughout wikipedia.org
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synizesis
‖ synizesis (sɪnɪˈziːsɪs) Pl. -ses (-siːz). [late L., a. Gr. συνίζησις, n. of action f. συνιζάνειν to sink down, collapse, f. σύν syn-1 + ἰζάνειν to seat, sit, settle down, f. ἴζειν to seat, sit.] 1. Gram. and Pros. Fusion of two syllables into one by the coalescence of two adjacent vowels (or of a ... Oxford English Dictionary
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synapsis
‖ synapsis (sɪˈnæpsɪs) Pl. synapses (-siːz). [mod.L., ad. Gr. σύναψις connexion, junction, f. σύν syn-1 + ἅψις joining, f. ἅπτειν to join.] † 1. gen. Connexion. Obs.1654 H. L'Estrange Chas. I (1655) 88 Some considerable circumstances must not be forgot, by reason of their synapsis, their coherence w... Oxford English Dictionary
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Chromomere
During zygotene phase of prophase I, the chromomeres of homologs align with each other to form homologous rough pairing (homology searching). wikipedia.org
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synaptenic
† synaptenic, a. Cytology. Obs. (sɪnæpˈtiːnɪk) Also -tænic. [ad. F. synaptène (H. von Winiwarter 1900, in Arch. de Biol. XVII. 54), f. Gr. συν- syn-1: see -tene, -ic.] Epithet of the stage of meiosis now known as zygotene.1900 Jrnl. R. Microsc. Soc. 654 The reticulum gives rise to a chromatic thread... Oxford English Dictionary
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Prophase
Prophase I Prophase I is divided into five phases: leptotene, zygotene, pachytene, diplotene, and diakinesis. Zygotene In the second phase of prophase I, zygotene (from the Greek for "conjugation"), all maternally and paternally derived chromosomes have found wikipedia.org
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leptonema
leptonema, n. Cytol. (lɛptəʊˈniːmə) [a. F. leptonema (coined by V. Grégoire 1907, in La Cellule XXIV. 371): see lepto-, *-nema.] = leptotene n.1911 Q. Jrnl. Microsc. Sci. LVII. 8 For the various stages of the prophase I have used the nomenclature now generally adopted, based on that proposed by von ... Oxford English Dictionary
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LINC complex
These include nuclear relocation/movement, moving meiotic chromosomes to find their homologues at leptotene/zygotene, attaching the centrosome to the outer wikipedia.org
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diakinesis
diakinesis Cytology. (ˌdaɪəkaɪˈniːsɪs) [mod.L., ad. G. diakinese (V. Häcker 1897, in Biol. Centralbl. XVII. 701), f. dia-1 + Gr. κίνησις motion.] The last stage of meiotic prophase, immediately preceding the disappearance of the nuclear membrane.1902 E. B. Wilson Cell (ed. 2) 440 Diakinesis (διά, th... Oxford English Dictionary
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Leptotene stage
The next stage of prophase I in meiosis is the zygotene stage. At the transition to the zygotene stage the telomeres usually aggregate at a nuclear envelope sector, thereby forming a meiotic bouquet. wikipedia.org
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