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leptotene

n. （细胞分裂中的）细线期

1、细线期

细线期（leptotene）：这是减数分裂的开始时期，染色质开始浓缩为细而长的丝状，首尾不分，且细线局部可见到念珠状颗粒，即染色粒。

2、细线

细线 filament; fine line; hachures; hairline; leptonema; leptotene; slimline; string; thin line; thin wire/fine wire; thread爆发线 explosion line .

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

生物学

n.the first stage of the prophase of meiosis

1.
N（名词） 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

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