noun
optic chiasm; optic chiasma
Anatomical term for the X-shaped structure where the optic nerves partially cross. Used in medical and biological contexts.
See also: 視交叉
視神経交叉は脳の底部に位置している。
The optic chiasm is located at the base of the brain.
Standard anatomical term; 交叉 is the more common kanji form in medical contexts.
Variant spelling using 交差; also seen but less common in anatomy.
Shorter synonym for optic chiasm; 視神経交叉 is more explicit about the optic nerves.
Compound of 視神経 (optic nerve) and 交叉 (crossing, intersection).