optic chiasma

optic-chiasma的词性：
n.（名词）

1. A structure in the brain forming the partial intersection or crossing of the optic nerve fibers on the underside of the hypothalamus.Also called optic chiasm
视交叉：大脑的一个结构，在下丘脑的底面形成分区或与视神经纤维交叉也作 optic chiasm