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Related to pachynema: pachytene, diplotene


The third stage of the prophase of meiosis, during which the homologous chromosomes become short and thick and divide into four distinct chromatids.

[French pachytène : Greek pakhus, thick + French -tène, ribbon (from Latin taenia; see taenia).]


(Biology) the third stage of the prophase of meiosis during which the chromosomes become shorter and thicker and divide into chromatids
[from Greek pakhus thick + tainia band]


(ˈpæk ɪ tin)

the third stage of prophase in meiosis, during which each chromosome pair separates into sister chromatids with some breakage and crossing over of genes.
[< French pachytène (1900) = Greek pachý(s) thick + French -tène -tene]
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.pachytene - the third stage of the prophase of meiosis
prophase - the first stage of meiosis
phase, stage - any distinct time period in a sequence of events; "we are in a transitional stage in which many former ideas must be revised or rejected"
References in periodicals archive ?
The protease activity of Chactomorpha spp and Valoniopsis pachynema were similar compared to other species and also the protease activity of Cladophora fascicularis and Ulva lactusa are similar (Fig.
The term homologous refers to a pair of chromosomes within a genome that contain identical linear order of gene sites (or loci) along their lengths and show synapsis during pachynema (Singh, 2003).
The behavior during pachynema of a normal and an inverted Y chromosome in Microtus agrestis.