leptotene，英语单词，主要用作名词，作名词时译为“（细胞分裂中的）细线期”。

柯林斯英汉双解大词典

leptotene /ˈlɛptəʊˌtiːn/

1.N the first stage of the prophase of meiosis during which the nuclear material becomes resolved into slender single-stranded chromosomes (细胞分裂中的)细线期

leptotene spermatocyte 细线期精母细胞

leptotene stage[细胞] 细线期 ; 细线期

leptotene date 细线期

meiosis leptotene stage 细纽期

leptotene e stage 细线期

leptotene stgenerally become old 细线期