leptotene

== English == === Etymology === From French leptotène, corresponding to lepto- (“thin”) +‎ -tene (“ribbon”). Coined by Hans von De Winiwarter in 1900 and in English by Edmund B. Wilson in 1912. === Noun === leptotene (plural leptotenes) (biology) The first part of the prophase of meiosis, characterized by threadlike chromosomes ==== Synonyms ==== leptonema ==== Derived terms ==== ==== Translations ==== ==== References ====