adjective
- of, relating to, or involving a chiasma (a crossing or intersection, especially of nerve fibers or chromosomes)
Usage: technical; anatomy/biology
Examples
- The chiasmal region of the brain contains the optic chiasm, where nerve fibers cross.
- Chiasmal compression can result from a pituitary tumor pressing on nearby structures.
- During meiosis, chiasmal events allow for genetic recombination between homologous chromosomes.
- The patient's vision problems were traced to a chiasmal lesion.
- Researchers studied chiasmal organization in different species to understand evolutionary patterns.