Definition, Meaning & Synonyms
chiasma
Noun
/kaɪˈæzmə/
Definition
A point where two structures cross each other.
Examples
- During meiosis, a chiasma forms between homologous chromosomes.
- The optic chiasma is where the optic nerves from each eye cross over.
- Scientists studied the formation of chiasmata to understand genetic variation.
Meaning
In biology, it refers to the crossing over of chromatids in meiosis. In anatomy, it can also denote an area where nerve fibers or any other structures intersect.
Synonyms
- Crossing
- Intersection
- Overlap
