Chiasm

Chiasm may refer to:


 * Chiasm (musical project), an electronic music project by Emileigh Rohn
 * Chiasm (anatomy), an X-shaped structure produced by the crossing over of the fibers, with the prefix chiasm- means cross examples include:
 * A nerval chiasm, where either two nerves cross in the body midline (e.g. Optic chiasma)
 * A crossing of fibres inside a nerve reversing their mapping
 * A tendinous chiasm, the spot where two tendons cross. The tendon of the flexor digitorum longus muscle forms two: the crural chiasm (with the tendon of the tibialis posterior muscle) and the plantar chiasm (with the tendon of the flexor hallucis longus muscle).
 * Chiasma (genetics), the point where two chromatids are intertwined (interwoven) in a cell
 * An instantiation of chiasmus