chiasma
noun
- connection formed between chromatids, visible during meiosis, thought to be the point of the interchange involved in crossing-over
Wiktionary
Pronunciation: /kaɪˈæzmə/
noun
Etymology: From New Latin chiasma, from Ancient Greek χῑ́ασμα (khī́asma), from χῑάζω (khīázō, “to mark with an X”).
- A crossing of two nerves, ligaments etc.
- The contact point between the two chromatids of a chromosome during meiosis.
- An instance of chiasmus.