| 释义 |
DictionarySeepachytenepachynema
pachynema[pə′kin·ə·mə] (cell and molecular biology) pachytene pachynema
pach·y·tene (pak'i-tēn), The stage of prophase in meiosis in which pairing of homologous chromosomes is complete and the paired homologues may twine about each other as they continue to shorten; longitudinal cleavage occurs in each chromosome to form two sister chromatids so that each homologous chromosome pair becomes a set of four intertwined chromatids. Synonym(s): pachynema [pachy- + G. tainia, band, tape] |