详细解释:【医】 穹窿, 穹
词型变化：
名词复数:fornices英语解释：
名词 fornix:
generally any arch shaped structure (but often it refers to the arched roof of an anatomical space)an arched bundle of white fibers at the base of the brain by which the hippocampus of each hemisphere projects to the contralateral hippocampus and to the thalamus and mamillary bodies同义词：trigonum cerebrale