optic chiasm; optic chiasma
Anatomical term for the X-shaped structure where optic nerve fibers partially cross.
The optic chiasm is where the left and right optic nerves cross.
suprachiasmatic nucleus; SCN
Standard kanji form for optic chiasm.
Variant spelling; 交叉 and 交差 are both used for 'crossing'.
From 視 (shi, 'vision') + 交叉 (kōsa, 'crossing'), referring to the crossing of optic nerve fibers.