Standard Lemma guide

leptonema

noun · 1 senses · updated from the 2026-07-25 local source snapshot

Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.

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1

noun

Meaning 1

The stage during meiosis Prophase 1 where the chromosomes condense after S-phase and interphase, resulting in the recombination of haploid chromosome pairs with sister chromatids held by a single non-dividing centromeres, and followed by the zygotene stage.

Definition source: English Wiktionary via Wiktextract

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Meaning relationships

Synonyms: none provided

Antonyms: none provided

History

Etymology

Etymology tree Ancient Greek λεπτός (leptós)bor. English lepto- English -nema English leptonema From lepto- (“thin”) + -nema (“filiform structure”).