chi·as·ma (k - z m ) also chi·asm (kz m)n. pl. chi·as·ma·ta (-m -t) or chi·as·mas also chi·asms 1. Anatomy A crossing or intersection of two tracts, as of nerves or ligaments. 2. Genetics The point of contact between paired chromatids during meiosis, resulting in a cross-shaped configuration and representing the cytological manifestation of crossing over. [Greek kh asma, cross-piece, from khazein, to mark with an X, from khei, kh, chi (from the letter's shape).]chi·as mal, chi·asmic, chias·matic (-mt k) adj. |
ThesaurusLegend: Synonyms Related Words Antonyms
| Adj. | 1. | chiasmatic - of or relating to a chiasm anatomy, general anatomy - the branch of morphology that deals with the structure of animals |
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