視し神しん経けい交こう叉さ

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

• 視し神しん経けい交こう叉さは脳のうの底てい部ぶに位い置ちしている。

  The optic chiasm is located at the base of the brain.