Seminal vesicle is the gland bursa of inflectional shape, its exudate basically is refining fluid, occupy seminal 70 % left and right sides, to spermatozoon survive have main effect.

• 精囊为屈曲状的腺囊，其分泌液主要为精浆液，占精液的 70 %25左右，对精子的存活有重要作用。