filled with vascular sinuses and capable of becoming distended and rigid as the result of being filled with blood
同义词：cavernous
erectile详细解释
e.rec.tile adj.（形容词）Capable of being raised to an upright position.可竖直的：可以被抬升到竖直位置的Anatomy Of or relating to tissue that is capable of filling with blood and becoming rigid.【解剖学】 勃起的：有关可以充血变硬的组织的 【引伸】 erectil.ity
